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Movsisyan M, Truzyan N, Kasparova I, Chopikyan A, Sawaqed R, Bedross A, Sukiasyan M, Dilbaryan K, Shariff S, Kwantala B, Hakobjanyan G, Petrosyan G, Hakobyan A, Yenkoyan K. Tracking the evolution of anti-SARS-CoV-2 antibodies and long-term humoral immunity within 2 years after COVID-19 infection. Sci Rep 2024; 14:13417. [PMID: 38862731 PMCID: PMC11167004 DOI: 10.1038/s41598-024-64414-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 06/08/2024] [Indexed: 06/13/2024] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that gave rise to COVID-19 infection produced a worldwide health crisis. The virus can cause a serious or even fatal disease. Comprehending the complex immunological responses triggered by SARS-CoV-2 infection is essential for identifying pivotal elements that shape the course of the disease and its enduring effects on immunity. The span and potency of antibody responses provide valuable perspicuity into the resilience of post-infection immunity. The analysis of existing literature reveals a diverse controversy, confining varying data about the persistence of particular antibodies as well as the multifaceted factors that impact their development and titer, Within this study we aimed to understand the dynamics of anti-SARS-CoV-2 antibodies against nucleocapsid (anti-SARS-CoV-2 (N)) and spike (anti-SARS-CoV-2 (N)) proteins in long-term immunity in convalescent patients, as well as the factors influencing the production and kinetics of those antibodies. We collected 6115 serum samples from 1611 convalescent patients at different post-infection intervals up to 21 months Study showed that in the fourth month, the anti-SARS-CoV-2 (N) exhibited their peak mean value, demonstrating a 79% increase compared to the initial month. Over the subsequent eight months, the peak value experienced a modest decline, maintaining a relatively elevated level by the end of study. Conversely, anti-SARS-CoV-2 (S) exhibited a consistent increase at each three-month interval over the 15-month period, culminating in a statistically significant peak mean value at the study's conclusion. Our findings demonstrate evidence of sustained seropositivity rates for both anti-SARS-CoV-2 (N) and (S), as well as distinct dynamics in the long-term antibody responses, with anti-SARS-CoV-2 (N) levels displaying remarkable persistence and anti-SARS-CoV-2 (S) antibodies exhibiting a progressive incline.
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Affiliation(s)
- Mariam Movsisyan
- Department of Allergology and Clinical Immunology, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
- Cobrain Center, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Nune Truzyan
- Cobrain Center, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Irina Kasparova
- Department of Histology, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Armine Chopikyan
- Cobrain Center, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
- Department of Public Health and Healthcare Organization, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Ra'ed Sawaqed
- General Medicine Faculty, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Alexandra Bedross
- General Medicine Faculty, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Meline Sukiasyan
- Department of Allergology and Clinical Immunology, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
- Cobrain Center, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Karen Dilbaryan
- Cobrain Center, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Sanobar Shariff
- General Medicine Faculty, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Burhan Kwantala
- Cobrain Center, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Gohar Hakobjanyan
- Cobrain Center, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
- Laboratory-Diagnostic Center of Heratsi Clinical Hospital, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Gayane Petrosyan
- Cobrain Center, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
- Laboratory-Diagnostic Center of Heratsi Clinical Hospital, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Armine Hakobyan
- Department of Allergology and Clinical Immunology, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia
| | - Konstantin Yenkoyan
- Neuroscience Laboratory, Cobrain Center, Yerevan State Medical University Named After Mkhitar Heratsi, 0025, Yerevan, Armenia.
- Department of Biochemistry, Yerevan State Medical University Named After Mkhitar Heratsi, Yerevan, Armenia.
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Li L, Wang F, He X, Pei T, Lu J, Zhang Z, Zhao P, Xue J, Zhu L, Chen X, Yan Z, Lu Y, Zhuang J. Longitudinal Dynamics of Immune Response in Occupational Populations Post COVID-19 Infection in the Changning District of Shanghai, China. Viruses 2024; 16:672. [PMID: 38793554 PMCID: PMC11125686 DOI: 10.3390/v16050672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 05/26/2024] Open
Abstract
Monitoring the long-term changes in antibody and cellular immunity following Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection is crucial for understanding immune mechanisms that prevent reinfection. In March 2023, we recruited 167 participants from the Changning District, Shanghai, China. A subset of 66 participants that were infected between November 2022 and January 2023 was selected for longitudinal follow-up. The study aimed to investigate the dynamics of the immune response, including neutralizing antibodies (NAbs), anti-spike (S)-immunoglobulin G (IgG), anti-S-IgM, and lymphocyte profiles, by analyzing peripheral blood samples collected three to seven months post infection. A gradual decrease in NAbs and IgG levels were observed from three to seven months post infection. No significant differences in NAbs and IgG titers were found across various demographics, including age, sex, occupation, and symptomatic presentation, across five follow-up assessments. Additionally, a strong correlation between NAbs and IgG levels was identified. Lymphocyte profiles showed a slight change at five months but had returned to baseline levels by seven months post infection. Notably, healthcare workers exhibited lower B-cell levels compared to police officers. Our study demonstrated that the immune response to SARS-CoV-2 infection persisted for at least seven months. Similar patterns in the dynamics of antibody responses and cellular immunity were observed throughout this period.
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Affiliation(s)
- Li Li
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
| | - Fengge Wang
- Shanghai Institute of Infectious Disease and Biosecurity, Fudan University, 130 Dong’an Road, Shanghai 200032, China;
- Department of Epidemiology, Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, 130 Dong’an Road, Shanghai 200032, China
| | - Xiaoding He
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
| | - Tingting Pei
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
| | - Jiani Lu
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
| | - Zhan Zhang
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
| | - Ping Zhao
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
| | - Jiayu Xue
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
| | - Lin Zhu
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
| | - Xinxin Chen
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
| | - Zijie Yan
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
| | - Yihan Lu
- Shanghai Institute of Infectious Disease and Biosecurity, Fudan University, 130 Dong’an Road, Shanghai 200032, China;
- Department of Epidemiology, Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, 130 Dong’an Road, Shanghai 200032, China
| | - Jianlin Zhuang
- Shanghai Changning Center for Disease Control and Prevention, 39 Yunwushan Road, Shanghai 200051, China; (L.L.); (X.H.); (T.P.); (J.L.); (Z.Z.); (P.Z.); (J.X.); (L.Z.); (X.C.); (Z.Y.)
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3
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Stirrup O, Tut G, Krutikov M, Bone D, Lancaster T, Azmi B, Monakhov I, Moss P, Hayward A, Copas A, Shallcross L. Anti-nucleocapsid antibody levels following initial and repeat SARS-CoV-2 infections in a cohort of long-term care facility residents in England (VIVALDI). Wellcome Open Res 2024; 9:45. [PMID: 38818129 PMCID: PMC11137476 DOI: 10.12688/wellcomeopenres.20750.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/11/2024] [Indexed: 06/01/2024] Open
Abstract
Background We have previously demonstrated that older residents of long-term care facilities (LTCF) in the UK show levels of anti-spike antibodies that are comparable to the general population following primary series and booster vaccination for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, data on the humoral response to other SARS-CoV-2 proteins associated with natural infection are scarce in this vulnerable population. Methods We measured quantitative levels of anti-nucleocapsid antibodies in blood samples taken from LTCF residents and staff after initial and repeat SARS-CoV-2 infections, between December 2020 and March 2023. Data on SARS-CoV-2 infection and vaccination were obtained through linkage to national datasets. Linear mixed effects models were used to investigate anti-nucleocapsid antibody levels, using log10 scale, in relation to time from most recent infection. This included evaluation of associations between repeat infection, staff/resident status, age, sex, Omicron infection and vaccination history and peak antibody level and slope of decline with time. Results We analysed 405 antibody observations from 220 residents and 396 observations from 215 staff. Repeat infection was associated with 8.5-fold (95%CI 4.9-14.8-fold) higher initial (peak) median anti-nucleocapsid antibody level, with steeper subsequent slope of decline. There were no significant differences in antibody level associated with resident (vs. staff) status or age, but Omicron infection was associated with 3.6-fold (95%CI 2.4-5.4-fold) higher levels. There was stronger evidence of waning of antibody levels over time in a sensitivity analysis in which observations were censored in cases with suspected undetected repeat infection. Conclusions We found similar levels of anti-nucleocapsid antibody in residents and staff of LTCFs. Repeat infection and infection with an Omicron strain were associated with higher peak values. There was evidence of waning of anti-nucleocapsid antibody levels over time.
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Affiliation(s)
- Oliver Stirrup
- Institute for Global Health, University College London, London, England, UK
| | - Gokhan Tut
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, England, UK
| | - Maria Krutikov
- Institute of Health Informatics, University College London, London, England, UK
| | - David Bone
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, England, UK
| | - Tara Lancaster
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, England, UK
| | - Borscha Azmi
- Institute of Health Informatics, University College London, London, England, UK
| | | | - Paul Moss
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, England, UK
| | - Andrew Hayward
- Institute of Epidemiology & Health Care, University College London, London, England, UK
- Health Data Research UK, London, England, UK
| | - Andrew Copas
- Institute for Global Health, University College London, London, England, UK
| | - Laura Shallcross
- Institute of Health Informatics, University College London, London, England, UK
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4
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Zhang YV, Kumanovics A, Wiencek J, Melanson SEF, Love T, Wu AHB, Zhao Z, Meng QH, Koch DD, Apple FS, Ondracek CR, Christenson RH. Performance of Three Anti-SARS-CoV-2 Anti-S and One Anti-N Immunoassays for the Monitoring of Immune Status and Vaccine Response. Viruses 2024; 16:292. [PMID: 38400067 PMCID: PMC10891747 DOI: 10.3390/v16020292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/06/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
This study aimed to evaluate and compare the performance of three anti-S and one anti-N assays that were available to the project in detecting antibody levels after three commonly used SARS-CoV-2 vaccines (Pfizer, Moderna, and Johnson & Johnson). It also aimed to assess the association of age, sex, race, ethnicity, vaccine timing, and vaccine side effects on antibody levels in a cohort of 827 individuals. In September 2021, 698 vaccinated individuals donated blood samples as part of the Association for Diagnostics & Laboratory Medicine (ADLM) COVID-19 Immunity Study. These individuals also participated in a comprehensive survey covering demographic information, vaccination status, and associated side effects. Additionally, 305 age- and gender-matched samples were obtained from the ADLM 2015 sample bank as pre-COVID-19-negative samples. All these samples underwent antibody level analysis using three anti-S assays, namely Beckman Access SARS-CoV-2 IgG (Beckman assay), Ortho Clinical Diagnostics VITROS Anti-SARS-CoV-2 IgG (Ortho assay), Siemens ADVIA Centaur SARS-CoV-2 IgG (Siemens assay), and one anti-N antibody assay: Bio-Rad Platelia SARS-CoV-2 Total Ab assay (BioRad assay). A total of 827 samples (580 COVID-19 samples and 247 pre-COVID-19 samples) received results for all four assays and underwent further analysis. Beckman, Ortho, and Siemens anti-S assays showed an overall sensitivity of 99.5%, 97.6%, and 96.9%, and specificity of 90%, 100%, and 99.6%, respectively. All three assays indicated 100% sensitivity for individuals who received the Moderna vaccine and boosters, and over 99% sensitivity for the Pfizer vaccine. Sensitivities varied from 70.4% (Siemens), 81.5% (Ortho), and 96.3% (Beckman) for individuals who received the Johnson & Johnson vaccine. BioRad anti-N assays demonstrated 46.2% sensitivity and 99.25% specificity based on results from individuals with self-reported infection. The highest median anti-S antibody levels were measured in individuals who received the Moderna vaccine, followed by Pfizer and then Johnson & Johnson vaccines. Higher anti-S antibody levels were significantly associated with younger age and closer proximity to the last vaccine dose but were not associated with gender, race, or ethnicity. Participants with higher anti-S levels experienced significantly more side effects as well as more severe side effects (e.g., muscle pain, chills, fever, and moderate limitations) (p < 0.05). Anti-N antibody levels only indicated a significant correlation with headache. This study indicated performance variations among different anti-S assays, both among themselves and when analyzing individuals with different SARS-CoV-2 vaccines. Caution should be exercised when conducting large-scale studies to ensure that the same platform and/or assays are used for the most effective interpretation of the data.
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Affiliation(s)
- Y. Victoria Zhang
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Attila Kumanovics
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA;
| | - Joesph Wiencek
- Department of Pathology, Microbiology and Immunology, Vanderbilt School of Medicine, Nashville, TN 37240, USA;
| | - Stacy E. F. Melanson
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA 02115, USA;
- Harvard Medical School, Boston, MA 02115, USA
| | - Tanzy Love
- Department of Biostatistics and Computational Biology, University of Rochester, Rochester, NY 14642, USA;
| | - Alan H. B. Wu
- Department of Laboratory Medicine, University of California, San Francisco, CA 94143, USA;
| | - Zhen Zhao
- Department of Laboratory Medicine and Pathology, Weill Cornell Medicine, New York, NY 10065, USA;
| | - Qing H. Meng
- Department of Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - David D. Koch
- Department of Pathology and Laboratory Medicine, Emory University, Atlanta, GA 30303, USA;
| | - Fred S. Apple
- Department of Laboratory Medicine and Pathology, Hennepin Healthcare/Hennepin County Medical Center, Minneapolis, MN 55404, USA;
- Hennepin Healthcare Research Institute, Minneapolis, MN 55404, USA
| | - Caitlin R. Ondracek
- Association for Diagnostics & Laboratory Medicine, Washington, DC 22203, USA;
| | - Robert H. Christenson
- Department of Pathology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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5
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Monroe JM, Quach HQ, Punia S, Enninga EAL, Fedyshyn Y, Girsch JH, Fedyshyn B, Lemens M, Littlefield D, Behl S, Sintim-Aboagye E, Mejia Plazas MC, Yamaoka S, Ebihara H, Pandey A, Correia C, Ung CY, Li H, Vassallo R, Sun J, Johnson EL, Olson JE, Theel ES, Badley AD, Kennedy RB, Theiler RN, Chakraborty R. Vertical Transmission of SARS-CoV-2-Specific Antibodies and Cytokine Profiles in Pregnancy. J Infect Dis 2024; 229:473-484. [PMID: 37786979 DOI: 10.1093/infdis/jiad399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 09/05/2023] [Accepted: 09/13/2023] [Indexed: 10/04/2023] Open
Abstract
Despite intensive characterization of immune responses after COVID-19 infection and vaccination, research examining protective correlates of vertical transmission in pregnancy are limited. Herein, we profiled humoral and cellular characteristics in pregnant women infected or vaccinated at different trimesters and in their corresponding newborns. We noted a significant correlation between spike S1-specific IgG antibody and its RBD-ACE2 blocking activity (receptor-binding domain-human angiotensin-converting enzyme 2) in maternal and cord plasma (P < .001, R > 0.90). Blocking activity of spike S1-specific IgG was significantly higher in pregnant women infected during the third trimester than the first and second trimesters. Elevated levels of 28 cytokines/chemokines, mainly proinflammatory, were noted in maternal plasma with infection at delivery, while cord plasma with maternal infection 2 weeks before delivery exhibited the emergence of anti-inflammatory cytokines. Our data support vertical transmission of protective SARS-CoV-2-specific antibodies. This vertical antibody transmission and the presence of anti-inflammatory cytokines in cord blood may offset adverse outcomes of inflammation in exposed newborns.
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Affiliation(s)
| | | | - Sohan Punia
- Children Research Center, Division of Pediatric Infectious Diseases, Department of Pediatric and Adolescent Medicine
| | | | - Yaroslav Fedyshyn
- Children Research Center, Division of Pediatric Infectious Diseases, Department of Pediatric and Adolescent Medicine
| | - James H Girsch
- Children Research Center, Division of Pediatric Infectious Diseases, Department of Pediatric and Adolescent Medicine
- Graduate School of Biomedical Sciences
| | | | - Maureen Lemens
- Division of Obstetrics, Department of Obstetrics and Gynecology
| | - Dawn Littlefield
- Children Research Center, Division of Pediatric Infectious Diseases, Department of Pediatric and Adolescent Medicine
| | - Supriya Behl
- Children Research Center, Division of Pediatric Infectious Diseases, Department of Pediatric and Adolescent Medicine
| | - Elise Sintim-Aboagye
- Children Research Center, Division of Pediatric Infectious Diseases, Department of Pediatric and Adolescent Medicine
| | - Maria C Mejia Plazas
- Children Research Center, Division of Pediatric Infectious Diseases, Department of Pediatric and Adolescent Medicine
| | | | | | - Akhilesh Pandey
- Division of Clinical Biochemistry and Immunology, Department of Laboratory Medicine and Pathology, Center for Individualized Medicine, Mayo Clinic, Rochester, Minnesota
- Center for Molecular Medicine, National Institute of Mental Health and Neurosciences, Bangalore
- Department of Community Medicine, Manipal Academy of Higher Education, Manipal, India
| | - Cristina Correia
- Department of Molecular Pharmacology and Experimental Therapeutics
| | - Choong Yong Ung
- Department of Molecular Pharmacology and Experimental Therapeutics
| | - Hu Li
- Department of Molecular Pharmacology and Experimental Therapeutics
| | - Robert Vassallo
- Thoracic Diseases Research Unit, Division of Pulmonary and Critical Care Medicine, Department of Medicine, Department of Immunology, College of Medicine and Science, Mayo Clinic, Rochester, Minnesota
| | - Jie Sun
- Thoracic Diseases Research Unit, Division of Pulmonary and Critical Care Medicine, Department of Medicine, Department of Immunology, College of Medicine and Science, Mayo Clinic, Rochester, Minnesota
- Carter Immunology Center, School of Medicine, University of Virginia, Charlottesville
| | - Erica L Johnson
- Department of Microbiology, Biochemistry, and Immunology, Morehouse School of Medicine, Atlanta, Georgia
| | | | - Elitza S Theel
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology
| | - Andrew D Badley
- Division of Infectious Diseases, Department of Medicine, Mayo Clinic, Rochester, Minnesota
| | | | - Regan N Theiler
- Division of Obstetrics, Department of Obstetrics and Gynecology
| | - Rana Chakraborty
- Children Research Center, Division of Pediatric Infectious Diseases, Department of Pediatric and Adolescent Medicine
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Misra P, Medigeshi GR, Kant S, Jaiswal A, Ahmad M, Rahman A, Guleria R, Rai SK, Deori TJ, Mandal S, Gongal G, Bairwa M, Haldar P, Kumar R, Garg N. Long-Term Kinetics of SARS-CoV-2 Neutralizing and Anti-Receptor Binding Domain Antibodies among Laboratory-Confirmed COVID-19 Cases in Delhi National Capital Region, India: A Prospective, One-Year Follow-Up Study. J Clin Med 2024; 13:762. [PMID: 38337457 PMCID: PMC10856624 DOI: 10.3390/jcm13030762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 01/18/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
Background: This study was conducted with the objective of measuring the neutralizing and anti-receptor binding domain antibody levels against SARS-CoV-2 among laboratory-confirmed COVID-19 cases and exploring its long-term kinetics over a period of 1 year. Methods: One hundred laboratory-confirmed COVID-19 cases were recruited. Serum samples of the participants were collected within three months from the date of the positive COVID-19 report. The participants were prospectively followed up every three months for symptoms and the collection of blood samples for three additional rounds. The presence of anti-SARS-CoV-2 antibodies (IgA, IgG, and IgM antibodies), anti-receptor binding domain antibodies (anti-RBD), and neutralizing antibodies were measured. Findings: Median plaque reduction neutralization test (PRNT) titers showed a rising trend in the first three rounds of follow-up. The quantitative anti-receptor binding domain ELISA (QRBD) values showed a declining trend in the initial three rounds. However, both the PRNT titers and QRBD values showed significantly higher values for the fourth round of follow-up. Total antibody (WANTAI) levels showed an increasing trend in the initial three rounds (statistically significant). Interpretation: Neutralizing antibodies showed an increasing trend. The anti-receptor binding domain antibodies showed a decreasing trend. Neutralizing antibodies and anti-RBD antibodies persisted in the majority.
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Affiliation(s)
- Puneet Misra
- Centre for Community Medicine, Old OT-Block, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India; (S.K.); (S.K.R.); (T.J.D.); (S.M.); (G.G.); (M.B.); (P.H.); (R.K.)
| | - Guruprasad R. Medigeshi
- Translational Health Science and Technology Institute, Faridabad 121001, India; (G.R.M.); (N.G.)
| | - Shashi Kant
- Centre for Community Medicine, Old OT-Block, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India; (S.K.); (S.K.R.); (T.J.D.); (S.M.); (G.G.); (M.B.); (P.H.); (R.K.)
| | - Abhishek Jaiswal
- Employee State Insurance Corporation Medical College & Hospital, Faridabad 121001, India;
| | - Mohammad Ahmad
- WHO Country Office, New Delhi 110011, India; (M.A.); (A.R.)
| | - Anisur Rahman
- WHO Country Office, New Delhi 110011, India; (M.A.); (A.R.)
| | - Randeep Guleria
- Institute of Internal Medicine & Respiratory and Sleep Medicine, Medanta, Gurugram 122001, India;
| | - Sanjay Kumar Rai
- Centre for Community Medicine, Old OT-Block, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India; (S.K.); (S.K.R.); (T.J.D.); (S.M.); (G.G.); (M.B.); (P.H.); (R.K.)
| | - Trideep Jyoti Deori
- Centre for Community Medicine, Old OT-Block, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India; (S.K.); (S.K.R.); (T.J.D.); (S.M.); (G.G.); (M.B.); (P.H.); (R.K.)
| | - Suprakash Mandal
- Centre for Community Medicine, Old OT-Block, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India; (S.K.); (S.K.R.); (T.J.D.); (S.M.); (G.G.); (M.B.); (P.H.); (R.K.)
| | - Gaurav Gongal
- Centre for Community Medicine, Old OT-Block, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India; (S.K.); (S.K.R.); (T.J.D.); (S.M.); (G.G.); (M.B.); (P.H.); (R.K.)
| | - Mohan Bairwa
- Centre for Community Medicine, Old OT-Block, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India; (S.K.); (S.K.R.); (T.J.D.); (S.M.); (G.G.); (M.B.); (P.H.); (R.K.)
| | - Partha Haldar
- Centre for Community Medicine, Old OT-Block, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India; (S.K.); (S.K.R.); (T.J.D.); (S.M.); (G.G.); (M.B.); (P.H.); (R.K.)
| | - Rakesh Kumar
- Centre for Community Medicine, Old OT-Block, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India; (S.K.); (S.K.R.); (T.J.D.); (S.M.); (G.G.); (M.B.); (P.H.); (R.K.)
| | - Neha Garg
- Translational Health Science and Technology Institute, Faridabad 121001, India; (G.R.M.); (N.G.)
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Selvavinayagam TS, Somasundaram A, Selvam JM, Sampath P, Vijayalakshmi V, Kumar CAB, Subramaniam S, Kumarasamy P, Raju S, Avudaiselvi R, Prakash V, Yogananth N, Subramanian G, Roshini A, Dhiliban DN, Imad S, Tandel V, Parasa R, Sachdeva S, Ramachandran S, Malani A. Contribution of infection and vaccination to population-level seroprevalence through two COVID waves in Tamil Nadu, India. Sci Rep 2024; 14:2091. [PMID: 38267448 PMCID: PMC10808562 DOI: 10.1038/s41598-023-50338-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 12/19/2023] [Indexed: 01/26/2024] Open
Abstract
This study employs repeated, large panels of serological surveys to document rapid and substantial waning of SARS-CoV-2 antibodies at the population level and to calculate the extent to which infection and vaccination separately contribute to seroprevalence estimates. Four rounds of serological surveys were conducted, spanning two COVID waves (October 2020 and April-May 2021), in Tamil Nadu (population 72 million) state in India. Each round included representative populations in each district of the state, totaling ≥ 20,000 persons per round. State-level seroprevalence was 31.5% in round 1 (October-November 2020), after India's first COVID wave. Seroprevalence fell to 22.9% in round 2 (April 2021), a roughly one-third decline in 6 months, consistent with dramatic waning of SARS-Cov-2 antibodies from natural infection. Seroprevalence rose to 67.1% by round 3 (June-July 2021), with infections from the Delta-variant induced second COVID wave accounting for 74% of the increase. Seroprevalence rose to 93.1% by round 4 (December 2021-January 2022), with vaccinations accounting for 63% of the increase. Antibodies also appear to wane after vaccination. Seroprevalence in urban areas was higher than in rural areas, but the gap shrunk over time (35.7 v. 25.7% in round 1, 89.8% v. 91.4% in round 4) as the epidemic spread even in low-density rural areas.
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Affiliation(s)
- T S Selvavinayagam
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | | | - Jerard Maria Selvam
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - P Sampath
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - V Vijayalakshmi
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - C Ajith Brabhu Kumar
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | | | - Parthipan Kumarasamy
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - S Raju
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - R Avudaiselvi
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - V Prakash
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - N Yogananth
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - Gurunathan Subramanian
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - A Roshini
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - D N Dhiliban
- Directorate of Public Health and Preventative Medicine, Government of Tamil Nadu, Chennai, Tamil Nadu, India
| | - Sofia Imad
- Artha Global, Mumbai, Maharashtra, India
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8
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Xie H, Zhang J, Luo R, Qi Y, Lin Y, Han C, Li X, Zeng D. IgG antibody response to SARS-CoV-2 infection and its influencing factors in lymphoma patients. BMC Immunol 2024; 25:5. [PMID: 38218761 PMCID: PMC10788029 DOI: 10.1186/s12865-024-00596-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 01/02/2024] [Indexed: 01/15/2024] Open
Abstract
BACKGROUND The ability of generating effective humoral immune responses to SARS-CoV-2 infection has not been clarified in lymphoma patients. The study aimed to investigate the antibody (Ab) production after SARS-Cov-2 infection and clarify the factors affecting the Ab generation in these patients. PATIENTS & METHODS 80 lymphoma patients and 51 healthy controls were included in this prospective observational study. Clinical factors and treatment regimens affecting Ab positive rate (APR) and Ab levels were analyzed by univariate and multivariate methods. RESULTS The anti-SARS-CoV-2 IgG APR and Ab levels in lymphoma patients were significantly lower than those in healthy controls. Lymphoma patients with COVID-19 vaccination had significantly higher APR and Ab levels compared with those without vaccination. Additionally, the use of dexamethasone for COVID-19 treatment had a negative impact on Ab levels. For the impact of treatment regimens on the APR and Ab levels, the results showed that patients treated with ≥ 6 times CD20 monoclonal Ab (mAb) and patients treated with autologous hematopoietic stem cell transplantation (ASCT) prior to infection produced a statistically lower APR and Ab levels compared with those treated with 1-5 times CD20 mAb and those treated without ASCT, respectively. Furthermore, multiple regression analysis indicated that the number of anti-CD20 treatment was an independent predictor for both APR and Ab levels. CONCLUSIONS Humoral immune response to SARS-CoV-2 infection was impaired in lymphoma patients partly due to anti-CD20 and ASCT treatment. COVID-19 vaccination may be more needed for these patients.
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Affiliation(s)
- Huan Xie
- Department of Hematology, Daping Hospital, Army Medical University, No. 10, Daping Changjiang Branch Road, Yuzhong District, Chongqing, 400042, China
| | - Jing Zhang
- Department of Hematology, Daping Hospital, Army Medical University, No. 10, Daping Changjiang Branch Road, Yuzhong District, Chongqing, 400042, China
| | - Ran Luo
- Department of Hematology, Daping Hospital, Army Medical University, No. 10, Daping Changjiang Branch Road, Yuzhong District, Chongqing, 400042, China
| | - Yan Qi
- Department of Hematology, Daping Hospital, Army Medical University, No. 10, Daping Changjiang Branch Road, Yuzhong District, Chongqing, 400042, China
| | - Yizhang Lin
- Department of Hematology, Daping Hospital, Army Medical University, No. 10, Daping Changjiang Branch Road, Yuzhong District, Chongqing, 400042, China
| | - Changhao Han
- Department of Hematology, Daping Hospital, Army Medical University, No. 10, Daping Changjiang Branch Road, Yuzhong District, Chongqing, 400042, China
| | - Xi Li
- Department of Hematology, Daping Hospital, Army Medical University, No. 10, Daping Changjiang Branch Road, Yuzhong District, Chongqing, 400042, China.
| | - Dongfeng Zeng
- Department of Hematology, Daping Hospital, Army Medical University, No. 10, Daping Changjiang Branch Road, Yuzhong District, Chongqing, 400042, China.
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9
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Fung CYJ, Scott M, Lerner-Ellis J, Taher J. Applications of SARS-CoV-2 serological testing: impact of test performance, sample matrices, and patient characteristics. Crit Rev Clin Lab Sci 2024; 61:70-88. [PMID: 37800891 DOI: 10.1080/10408363.2023.2254390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 08/29/2023] [Indexed: 10/07/2023]
Abstract
Laboratory testing has been a key tool in managing the SARS-CoV-2 global pandemic. While rapid antigen and PCR testing has proven useful for diagnosing acute SARS-CoV-2 infections, additional testing methods are required to understand the long-term impact of SARS-CoV-2 infections on immune response. Serological testing, a well-documented laboratory practice, measures the presence of antibodies in a sample to uncover information about host immunity. Although proposed applications of serological testing for clinical use have previously been limited, current research into SARS-CoV-2 has shown growing utility for serological methods in these settings. To name a few, serological testing has been used to identify patients with past infections and long-term active disease and to monitor vaccine efficacy. Test utility and result interpretation, however, are often complicated by factors that include poor test sensitivity early in infection, lack of immune response in some individuals, overlying infection and vaccination responses, lack of standardization of antibody titers/levels between instruments, unknown titers that confer immune protection, and large between-individual biological variation following infection or vaccination. Thus, the three major components of this review will examine (1) factors that affect serological test utility: test performance, testing matrices, seroprevalence concerns and viral variants, (2) patient factors that affect serological response: timing of sampling, age, sex, body mass index, immunosuppression and vaccination, and (3) informative applications of serological testing: identifying past infection, immune surveillance to guide health practices, and examination of protective immunity. SARS-CoV-2 serological testing should be beneficial for clinical care if it is implemented appropriately. However, as with other laboratory developed tests, use of SARS-CoV-2 serology as a testing modality warrants careful consideration of testing limitations and evaluation of its clinical utility.
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Affiliation(s)
- Chun Yiu Jordan Fung
- Lunenfeld Tanenbaum Research Institute, Sinai Health, Toronto, Ontario, Canada
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Sinai Health, Toronto, Ontario, Canada
| | - Mackenzie Scott
- Lunenfeld Tanenbaum Research Institute, Sinai Health, Toronto, Ontario, Canada
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Sinai Health, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Jordan Lerner-Ellis
- Lunenfeld Tanenbaum Research Institute, Sinai Health, Toronto, Ontario, Canada
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Sinai Health, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Jennifer Taher
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Sinai Health, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
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10
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Lu L, Chan CY, Lim YY, Than M, Teo S, Lau PYW, Ng KH, Yap HK. SARS-CoV-2 Humoral Immunity Persists Following Rituximab Therapy. Vaccines (Basel) 2023; 11:1864. [PMID: 38140267 PMCID: PMC10748262 DOI: 10.3390/vaccines11121864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/11/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023] Open
Abstract
Long-term humoral immunity is mediated by short-lived plasma cells (replenished by memory B cells) and long-lived plasma cells. Their relative contributions are uncertain for immunity to SARS-CoV-2, especially given the widespread use of novel mRNA vaccines. Yet, this has far-reaching implications in terms of the need for regular booster doses in the general population and perhaps even revaccination in patients receiving B cell-depleting therapy. We aimed to characterise anti-SARS-CoV-2 antibody titres in patients receiving Rituximab following previous SARS-CoV-2 vaccination. We recruited 10 fully vaccinated patients (age: 16.9 ± 2.52 years) with childhood-onset nephrotic syndrome, not in relapse, receiving Rituximab for their steroid/calcineurin-inhibitor sparing effect. Antibodies to SARS-CoV-2 spike (S) and nucleocapsid (N) proteins were measured immediately prior to Rituximab and again ~6 months later, using the Roche Elecys® Anti-SARS-CoV-2 (S) assay. All ten patients were positive for anti-S antibodies prior to Rituximab, with six patients (60%) having titres above the upper limit of detection (>12,500 U/mL). Following Rituximab therapy, there was a reduction in anti-S titres (p = 0.043), but all patients remained positive for anti-S antibodies, with five patients (50%) continuing to have titres >12,500 U/mL. Six patients (60%) were positive for anti-N antibodies prior to Rituximab. Following Rituximab therapy, only three of these six patients remained positive for anti-N antibodies (p = 0.036 compared to anti-S seroreversion). Humoral immunity to SARS-CoV-2 is likely to be mediated in part by long-lived plasma cells.
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Affiliation(s)
- Liangjian Lu
- Department of Paediatrics, Khoo Teck Puat - National University Children’s Medical Institute, National University Health System, Singapore 119228, Singapore (S.T.); (K.H.N.); (H.K.Y.)
| | - Chang Yien Chan
- Department of Paediatrics, Khoo Teck Puat - National University Children’s Medical Institute, National University Health System, Singapore 119228, Singapore (S.T.); (K.H.N.); (H.K.Y.)
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117549, Singapore;
| | - Yi Yang Lim
- Department of Paediatrics, Khoo Teck Puat - National University Children’s Medical Institute, National University Health System, Singapore 119228, Singapore (S.T.); (K.H.N.); (H.K.Y.)
| | - Mya Than
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117549, Singapore;
| | - Sharon Teo
- Department of Paediatrics, Khoo Teck Puat - National University Children’s Medical Institute, National University Health System, Singapore 119228, Singapore (S.T.); (K.H.N.); (H.K.Y.)
| | - Perry Y. W. Lau
- Department of Paediatrics, Khoo Teck Puat - National University Children’s Medical Institute, National University Health System, Singapore 119228, Singapore (S.T.); (K.H.N.); (H.K.Y.)
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117549, Singapore;
| | - Kar Hui Ng
- Department of Paediatrics, Khoo Teck Puat - National University Children’s Medical Institute, National University Health System, Singapore 119228, Singapore (S.T.); (K.H.N.); (H.K.Y.)
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117549, Singapore;
| | - Hui Kim Yap
- Department of Paediatrics, Khoo Teck Puat - National University Children’s Medical Institute, National University Health System, Singapore 119228, Singapore (S.T.); (K.H.N.); (H.K.Y.)
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117549, Singapore;
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11
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Zaidi AK, Bajpai S, Dehgani-Mobaraki P. B cell responses to SARS-CoV-2. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 202:155-181. [PMID: 38237985 DOI: 10.1016/bs.pmbts.2023.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
This chapter provides an overview of B cell responses in COVID-19, highlighting the structure of SARS-CoV-2 and its impact on B cell immunity. It explores the production and maturation of SARS-CoV-2-specific B cells, with a focus on the two distinct phases of the humoral immune response: the extrafollicular (EF) phase and the germinal center (GC) phase. Furthermore, the interplay between B cells, follicular T helper cells, CD4+ T cells, and plasma cells is discussed, emphasizing their collaborative role in mounting an effective humoral immune response against SARS-CoV-2. The concept of immunological memory is explored, highlighting the roles of plasma cells and B memory cells in providing long-term protection. The chapter delves into the antibody response during SARS-CoV-2 infection, categorizing the types of antibodies generated. This includes a detailed analysis of neutralizing antibodies, such as those directed against the receptor-binding domain (RBD) and the N-terminal domain (NTD), as well as non-neutralizing antibodies. The role of mucosal antibodies, cross-reactive antibodies, and auto-reactive antibodies is also discussed. Factors influencing the dynamics of anti-SARS-CoV-2 antibodies are examined, including the duration and strength of the humoral response. Additionally, the chapter highlights the impact of the Omicron variant on humoral immune responses and its implications for vaccine efficacy and antibody-mediated protection.
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Affiliation(s)
| | - Sanchit Bajpai
- Consultant ENT & Head and Neck Surgeon at TSM Medical College and Multispeciality Hospital, Lucknow, India.
| | - Puya Dehgani-Mobaraki
- Founder and President, Associazione Naso Sano, Ringgold Institution ID 567754, San Mariano, Italy
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12
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Villanueva-Saz S, Martínez M, Rueda P, Bolea S, Pérez MD, Verde M, Yzuel A, Hurtado-Guerrero R, Pardo J, Santiago L, Fernández A, Arias M. The dynamics of neutralizing antibodies against SARS-CoV-2 in cats naturally exposed to virus reveals an increase in antibody activity after re-infection. Vet Res Commun 2023; 47:2179-2184. [PMID: 36918467 PMCID: PMC10014409 DOI: 10.1007/s11259-023-10087-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 02/18/2023] [Indexed: 03/16/2023]
Abstract
Severe Acute Respiratory Syndrome Coronavirus 2 is the causative agent of Coronavirus Disease 2019 in humans. To date, little is known about the persistence of antibodies against SARS-CoV-2 in animals under natural conditions, in particular susceptible pets such as cat. This study reports the detection and monitoring of the humoral response against SARS-CoV-2 including the detection of immunoglobulins G specific for receptor binding domain of SARS-CoV-2 spike protein by an enzyme-linked immunosorbent assay and neutralizing antibodies by virus neutralization assay. Results showed that these antibodies last longer than 16 months in two naturally apparently healthy infected cats with the absence of clinicopathological findings during the follow-up. Moreover, re-infection is also possible with an important increase in virus neutralization test titers in both animals with no evident systemic signs found during each physical examination and with values of hematologic and biochemical parameters inside the normal reference intervals. Our results confirm a slow but progressive decrease of the kinetics and immunity of neutralizing antibodies in cats after the infection. Furthermore, similar to humans SARS-CoV-2 reinfection can stimulate an increase of the neutralizing antibodies determined by these two serological techniques in domestic cats.
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Affiliation(s)
- Sergio Villanueva-Saz
- Clinical Immunology Laboratory, Veterinary Faculty, University of Zaragoza, 50013, Zaragoza, Spain.
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, Zaragoza, Spain.
- Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain.
| | - Marivi Martínez
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, Zaragoza, Spain
| | - Pablo Rueda
- Clinical Immunology Laboratory, Veterinary Faculty, University of Zaragoza, 50013, Zaragoza, Spain
| | - Sara Bolea
- Clinical Immunology Laboratory, Veterinary Faculty, University of Zaragoza, 50013, Zaragoza, Spain
| | - María Dolores Pérez
- Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain
- Department of Animal Production and Sciences of the Food, Veterinary Faculty, University of Zaragoza, Zaragoza, Spain
| | - Maite Verde
- Clinical Immunology Laboratory, Veterinary Faculty, University of Zaragoza, 50013, Zaragoza, Spain
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, Zaragoza, Spain
- Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain
| | - Andrés Yzuel
- Clinical Immunology Laboratory, Veterinary Faculty, University of Zaragoza, 50013, Zaragoza, Spain
| | - Ramón Hurtado-Guerrero
- Institute for Biocomputation and Physics of Complex Systems (BIFI), University of Zaragoza, Edificio I+D, Campus Rio Ebro, Zaragoza, Spain
- Aragon I+D Foundation (ARAID), Zaragoza, Spain
| | - Julián Pardo
- Aragon Health Research Institute (IIS Aragón), Zaragoza, Spain
- Department of Microbiology, Pediatrics, Radiology and Public Health, Zaragoza University, Zaragoza, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain
| | | | - Antonio Fernández
- Clinical Immunology Laboratory, Veterinary Faculty, University of Zaragoza, 50013, Zaragoza, Spain
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza, Zaragoza, Spain
- Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain
| | - Maykel Arias
- Aragon Health Research Institute (IIS Aragón), Zaragoza, Spain
- Department of Microbiology, Pediatrics, Radiology and Public Health, Zaragoza University, Zaragoza, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain
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13
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Xu Z, Song J, Liu W, Wei D. An agent-based model with antibody dynamics information in COVID-19 epidemic simulation. Infect Dis Model 2023; 8:1151-1168. [PMID: 38033394 PMCID: PMC10685381 DOI: 10.1016/j.idm.2023.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 11/01/2023] [Accepted: 11/03/2023] [Indexed: 12/02/2023] Open
Abstract
Accurate prediction of the temporal and spatial characteristics of COVID-19 infection is of paramount importance for effective epidemic prevention and control. In order to accomplish this objective, we incorporated individual antibody dynamics into an agent-based model and devised a methodology that encompasses the dynamic behaviors of each individual, thereby explicitly capturing the count and spatial distribution of infected individuals with varying symptoms at distinct time points. Our model also permits the evaluation of diverse prevention and control measures. Based on our findings, the widespread employment of nucleic acid testing and the implementation of quarantine measures for positive cases and their close contacts in China have yielded remarkable outcomes in curtailing a less transmissible yet more virulent strain; however, they may prove inadequate against highly transmissible and less virulent variants. Additionally, our model excels in its ability to trace back to the initial infected case (patient zero) through early epidemic patterns. Ultimately, our model extends the frontiers of traditional epidemiological simulation methodologies and offers an alternative approach to epidemic modeling.
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Affiliation(s)
- Zhaobin Xu
- Department of Life Science, Dezhou University, Shandong, 253023, China
| | - Jian Song
- Department of Life Science, Dezhou University, Shandong, 253023, China
| | - Weidong Liu
- Department of Physical Education, Dezhou University, Shandong, 253023, China
| | - Dongqing Wei
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200030, China
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14
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Bešević J, Lacey B, Callen H, Omiyale W, Conroy M, Feng Q, Crook DW, Doherty N, Ebner D, Eyre DW, Fry D, Horn E, Jones EY, Marsden BD, Peto TEA, Starkey F, Stuart D, Welsh S, Wood N, Young A, Young A, Effingham M, Collins R, Holliday J, Allen N. Persistence of SARS-CoV-2 antibodies over 18 months following infection: UK Biobank COVID-19 Serology Study. J Epidemiol Community Health 2023; 78:jech-2023-220569. [PMID: 37923370 PMCID: PMC10850672 DOI: 10.1136/jech-2023-220569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 10/08/2023] [Indexed: 11/07/2023]
Abstract
BACKGROUND Little is known about the persistence of antibodies after the first year following SARS-CoV-2 infection. We aimed to determine the proportion of individuals that maintain detectable levels of SARS-CoV-2 antibodies over an 18-month period following infection. METHODS Population-based prospective study of 20 000 UK Biobank participants and their adult relatives recruited in May 2020. The proportion of SARS-CoV-2 cases testing positive for immunoglobulin G (IgG) antibodies against the spike protein (IgG-S), and the nucleocapsid protein (IgG-N), was calculated at varying intervals following infection. RESULTS Overall, 20 195 participants were recruited. Their median age was 56 years (IQR 39-68), 56% were female and 88% were of white ethnicity. The proportion of SARS-CoV-2 cases with IgG-S antibodies following infection remained high (92%, 95% CI 90%-93%) at 6 months after infection. Levels of IgG-N antibodies following infection gradually decreased from 92% (95% CI 88%-95%) at 3 months to 72% (95% CI 70%-75%) at 18 months. There was no strong evidence of heterogeneity in antibody persistence by age, sex, ethnicity or socioeconomic deprivation. CONCLUSION This study adds to the limited evidence on the long-term persistence of antibodies following SARS-CoV-2 infection, with likely implications for waning immunity following infection and the use of IgG-N in population surveys.
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Affiliation(s)
- Jelena Bešević
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | - Ben Lacey
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | - Howard Callen
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | - Wemimo Omiyale
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | - Megan Conroy
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | - Qi Feng
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | - Derrick W Crook
- Nuffield Department of Medicine (NDM), University of Oxford, Oxford, UK
| | | | - Daniel Ebner
- Nuffield Department of Medicine (NDM), University of Oxford, Oxford, UK
| | - David W Eyre
- University of Oxford Big Data Institute, Oxford, UK
| | | | - Edward Horn
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | - E Yvonne Jones
- Nuffield Department of Medicine (NDM), University of Oxford, Oxford, UK
| | - Brian D Marsden
- Nuffield Department of Medicine (NDM), University of Oxford, Oxford, UK
| | - Tim E A Peto
- Nuffield Department of Medicine (NDM), University of Oxford, Oxford, UK
| | - Fenella Starkey
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | - David Stuart
- Nuffield Department of Medicine (NDM), University of Oxford, Oxford, UK
| | | | - Natasha Wood
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | - Alan Young
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
- UK Biobank, Stockport, UK
| | - Allen Young
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | | | - Rory Collins
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
- UK Biobank, Stockport, UK
| | - Jo Holliday
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
| | - Naomi Allen
- Nuffield Department of Population Health (NDPH), University of Oxford, Oxford, UK
- UK Biobank, Stockport, UK
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15
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Teran RA, Gagner A, Gretsch S, Lauritsen J, Galanto D, Walblay K, Ruestow P, Korban C, Pacilli M, Kern D, Black SR, Tabidze I. SARS-CoV-2 Reinfection Risk in Persons with HIV, Chicago, Illinois, USA, 2020-2022. Emerg Infect Dis 2023; 29:2257-2265. [PMID: 37877555 PMCID: PMC10617359 DOI: 10.3201/eid2911.230577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023] Open
Abstract
Understanding if persons with HIV (PWH) have a higher risk for SARS-CoV-2 reinfection may help tailor future COVID-19 public health guidance. To determine whether HIV infection was associated with increased risk for SARS-CoV-2 reinfection, we followed adult residents of Chicago, Illinois, USA, with SARS-CoV-2 longitudinally from their first reported infection through May 31, 2022. We matched SARS-CoV-2 laboratory data and COVID-19 vaccine administration data to Chicago's Enhanced HIV/AIDS Reporting System. Among 453,587 Chicago residents with SARS-CoV-2, a total of 5% experienced a SARS-CoV-2 reinfection, including 192/2,886 (7%) PWH and 23,642/450,701 (5%) persons without HIV. We observed higher SARS-CoV-2 reinfection incidence rates among PWH (66 [95% CI 57-77] cases/1,000 person-years) than PWOH (50 [95% CI 49-51] cases/1,000 person-years). PWH had a higher adjusted rate of SARS-CoV-2 reinfection (1.46, 95% CI 1.27-1.68) than those without HIV. PWH should follow the recommended COVID-19 vaccine schedule, including booster doses.
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16
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Peterhoff D, Wiegrebe S, Einhauser S, Patt AJ, Beileke S, Günther F, Steininger P, Niller HH, Burkhardt R, Küchenhoff H, Gefeller O, Überla K, Heid IM, Wagner R. Population-based study of the durability of humoral immunity after SARS-CoV-2 infection. Front Immunol 2023; 14:1242536. [PMID: 37868969 PMCID: PMC10585261 DOI: 10.3389/fimmu.2023.1242536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 09/19/2023] [Indexed: 10/24/2023] Open
Abstract
SARS-CoV-2 antibody quantity and quality are key markers of humoral immunity. However, there is substantial uncertainty about their durability. We investigated levels and temporal change of SARS-CoV-2 antibody quantity and quality. We analyzed sera (8 binding, 4 avidity assays for spike-(S-)protein and nucleocapsid-(N-)protein; neutralization) from 211 seropositive unvaccinated participants, from the population-based longitudinal TiKoCo study, at three time points within one year after infection with the ancestral SARS-CoV-2 virus. We found a significant decline of neutralization titers and binding antibody levels in most assays (linear mixed regression model, p<0.01). S-specific serum avidity increased markedly over time, in contrast to N-specific. Binding antibody levels were higher in older versus younger participants - a difference that disappeared for the asymptomatic-infected. We found stronger antibody decline in men versus women and lower binding and avidity levels in current versus never-smokers. Our comprehensive longitudinal analyses across 13 antibody assays suggest decreased neutralization-based protection and prolonged affinity maturation within one year after infection.
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Affiliation(s)
- David Peterhoff
- Institute of Medical Microbiology and Hygiene, Molecular Microbiology (Virology), University of Regensburg, Regensburg, Germany
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, Regensburg, Germany
| | - Simon Wiegrebe
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany
- Statistical Consulting Unit StaBLab, Department of Statistics, Ludwig-Maximilians-Universität (LMU) Munich, Munich, Germany
| | - Sebastian Einhauser
- Institute of Medical Microbiology and Hygiene, Molecular Microbiology (Virology), University of Regensburg, Regensburg, Germany
| | - Arisha J. Patt
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, Regensburg, Germany
| | - Stephanie Beileke
- Institute of Clinical and Molecular Virology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Felix Günther
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany
- Statistical Consulting Unit StaBLab, Department of Statistics, Ludwig-Maximilians-Universität (LMU) Munich, Munich, Germany
| | - Philipp Steininger
- Institute of Clinical and Molecular Virology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Hans H. Niller
- Institute of Medical Microbiology and Hygiene, Molecular Microbiology (Virology), University of Regensburg, Regensburg, Germany
| | - Ralph Burkhardt
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
| | - Helmut Küchenhoff
- Statistical Consulting Unit StaBLab, Department of Statistics, Ludwig-Maximilians-Universität (LMU) Munich, Munich, Germany
| | - Olaf Gefeller
- Department of Medical Informatics, Biometry and Epidemiology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Klaus Überla
- Institute of Clinical and Molecular Virology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Iris M. Heid
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany
| | - Ralf Wagner
- Institute of Medical Microbiology and Hygiene, Molecular Microbiology (Virology), University of Regensburg, Regensburg, Germany
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, Regensburg, Germany
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17
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Abdullahi A, Frimpong J, Cheng MTK, Aliyu SH, Smith C, Abimiku A, Phillips RO, Owusu M, Gupta RK. Performance of SARS COV-2 IgG Anti-N as an Independent Marker of Exposure to SARS COV-2 in an Unvaccinated West African Population. Am J Trop Med Hyg 2023; 109:890-894. [PMID: 37580023 PMCID: PMC10551093 DOI: 10.4269/ajtmh.23-0179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 05/22/2023] [Indexed: 08/16/2023] Open
Abstract
Determination of previous SARS-COV-2 infection is hampered by the absence of a standardized test. The marker used to assess previous exposure is IgG antibody to the nucleocapsid (IgG anti-N), although it is known to wane quickly from peripheral blood. The accuracies of seven antibody tests (virus neutralization test, IgG anti-N, IgG anti-spike [anti-S], IgG anti-receptor binding domain [anti-RBD], IgG anti-N + anti-RBD, IgG anti-N + anti-S, and IgG anti-S + anti-RBD), either singly or in combination, were evaluated on 502 cryopreserved serum samples collected before the COVID-19 vaccination rollout in Kumasi, Ghana. The accuracy of each index test was measured using a composite reference standard based on a combination of neutralization test and IgG anti-N antibody tests. According to the composite reference, 262 participants were previously exposed; the most sensitive test was the virus neutralization test, with 95.4% sensitivity (95% CI: 93.6-97.3), followed by 79.0% for IgG anti-N + anti-S (95% CI: 76.3-83.3). The most specific tests were virus neutralization and IgG anti-N, both with 100% specificity. Viral neutralization and IgG anti-N + anti-S were the overall most accurate tests, with specificity/sensitivity of 100/95.2% and 79.0/92.1%, respectively. Our findings indicate that IgG anti-N alone is an inadequate marker of prior exposure to SARS COV-2 in this population. Virus neutralization assay appears to be the most accurate assay in discerning prior infection. A combination of IgG anti-N and IgG anti-S is also accurate and suited for assessment of SARS COV-2 exposure in low-resource settings.
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Affiliation(s)
- Adam Abdullahi
- Cambridge Institute of Therapeutic Immunology & Infectious Disease, Cambridge, United Kingdom
- Department of Medicine, University of Cambridge, Cambridge, United Kingdom
- Institute of Human Virology, Abuja, Nigeria
| | - James Frimpong
- Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kumasi, Ghana
| | - Mark T. K. Cheng
- Cambridge Institute of Therapeutic Immunology & Infectious Disease, Cambridge, United Kingdom
- Department of Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Sani H. Aliyu
- Addenbrooke’s Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | | | | | - Richard Odame Phillips
- Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kumasi, Ghana
| | - Michael Owusu
- Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Kumasi Centre for Collaborative Research in Tropical Medicine, Kumasi, Ghana
| | - Ravindra K. Gupta
- Cambridge Institute of Therapeutic Immunology & Infectious Disease, Cambridge, United Kingdom
- Department of Medicine, University of Cambridge, Cambridge, United Kingdom
- Africa Health Research Institute, Durban, South Africa
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18
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McGrath J, O'Doherty L, Conlon N, Dunne J, Brady G, Ibrahim A, McCormack W, Walsh C, Domegan L, Walsh S, Kenny C, Allen N, Fleming C, Bergin C. Point of care detection of SARS-CoV-2 antibodies and neutralisation capacity-lateral flow immunoassay evaluation compared to commercial assay to inform potential role in therapeutic and surveillance practices. Front Public Health 2023; 11:1245464. [PMID: 37841735 PMCID: PMC10569692 DOI: 10.3389/fpubh.2023.1245464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/24/2023] [Indexed: 10/17/2023] Open
Abstract
Introduction As the COVID-19 pandemic moves towards endemic status, testing strategies are being de-escalated. A rapid and effective point of care test (POCT) assessment of SARS-CoV-2 immune responses can inform clinical decision-making and epidemiological monitoring of the disease. This cross-sectional seroprevalence study of anti-SARS-CoV-2 antibodies in Irish healthcare workers assessed how rapid anti-SARS-CoV-2 antibody testing can be compared to a standard laboratory assay, discusses its effectiveness in neutralisation assessment and its uses into the future of the pandemic. Methods A point of care lateral flow immunoassay (LFA) detecting anti-SARS-CoV-2 spike (S)-receptor binding domain (RBD) neutralising antibodies (Healgen SARS-CoV-2 neutralising Antibody Rapid Test Cassette) was compared to the Roche Elecsys/-S anti-SARS-CoV-2 antibody assays and an in vitro surrogate neutralisation assay. A correlation between anti-spike (S), anti-nucleocapsid (N) titres, and in vitro neutralisation was also assessed. Results 1,777 serology samples were tested using Roche Elecsys/-S anti-SARS-CoV-2 assays to detect total anti-N/S antibodies. 1,562 samples were tested using the POC LFA (including 50 negative controls), and 90 samples were tested using an in vitro ACE2-RBD binding inhibition surrogate neutralisation assay. The POCT demonstrated 97.7% sensitivity, 100% specificity, a positive predictive value (PPV) of 100%, and a negative predictive value (NPV) of 61% in comparison to the commercial assay. Anti-S antibody titres determined by the Roche assay stratified by the POC LFA result groups demonstrated statistically significant differences between the "Positive" and "Negative" LFA groups (p < 0.0001) and the "Weak Positive" and "Positive" LFA groups (p < 0.0001). No statistically significant difference in ACE2-RBD binding inhibition was demonstrated when stratified by the LFA POC results. A positive, statistically significant correlation was demonstrated between the in vitro pseudo-neutralisation assay results and anti-S antibody titres (rho 0.423, p < 0.001) and anti-N antibody titres (rho = 0.55, p < 0.0001). Conclusion High sensitivity, specificity, and PPV were demonstrated for the POC LFA for the detection of anti-S-RBD antibodies in comparison to the commercial assay. The LFA was not a reliable determinant of the neutralisation capacity of identified antibodies. POC LFA are useful tools in sero-epidemiology settings, pandemic preparedness and may act as supportive tools in treatment decisions through the rapid identification of anti-Spike antibodies.
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Affiliation(s)
- Jonathan McGrath
- Department of Genitourinary Medicine and Infectious Diseases (GUIDe), St. James's Hospital, Dublin, Ireland
| | - Laura O'Doherty
- Department of Genitourinary Medicine and Infectious Diseases (GUIDe), St. James's Hospital, Dublin, Ireland
| | - Niall Conlon
- Department of Immunology, St. James's Hospital, Dublin, Ireland
- Department of Clinical Medicine, Trinity College, Dublin, Ireland
| | - Jean Dunne
- Department of Immunology, St. James's Hospital, Dublin, Ireland
| | - Gareth Brady
- Trinity College, Trinity Health Kidney Centre, Trinity Translational Medicine Institute, St. James's Hospital, Dublin, Ireland
| | - Aya Ibrahim
- Department of Immunology, St. James's Hospital, Dublin, Ireland
- Department of Clinical Medicine, Trinity Translational Medicine Institute, School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - William McCormack
- Department of Clinical Medicine, Trinity Translational Medicine Institute, School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Cathal Walsh
- Health Protection Surveillance Centre (HPSC), Dublin, Ireland
| | - Lisa Domegan
- Health Protection Surveillance Centre (HPSC), Dublin, Ireland
| | | | - Claire Kenny
- Department of Infectious Diseases, University Hospital Galway, Galway, Ireland
| | - Niamh Allen
- Department of Genitourinary Medicine and Infectious Diseases (GUIDe), St. James's Hospital, Dublin, Ireland
| | - Catherine Fleming
- Department of Infectious Diseases, University Hospital Galway, Galway, Ireland
| | - Colm Bergin
- Department of Genitourinary Medicine and Infectious Diseases (GUIDe), St. James's Hospital, Dublin, Ireland
- Department of Clinical Medicine, Trinity College, Dublin, Ireland
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Hitchings MDT, Patel EU, Khan R, Srikrishnan AK, Anderson M, Kumar KS, Wesolowski AP, Iqbal SH, Rodgers MA, Mehta SH, Cloherty G, Cummings DAT, Solomon SS. A Mixture Model for Estimating SARS-CoV-2 Seroprevalence in Chennai, India. Am J Epidemiol 2023; 192:1552-1561. [PMID: 37084085 PMCID: PMC10472327 DOI: 10.1093/aje/kwad103] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 12/01/2022] [Accepted: 04/18/2023] [Indexed: 04/22/2023] Open
Abstract
Serological assays used to estimate the prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) often rely on manufacturers' cutoffs established on the basis of severe cases. We conducted a household-based serosurvey of 4,677 individuals in Chennai, India, from January to May 2021. Samples were tested for SARS-CoV-2 immunoglobulin G (IgG) antibodies to the spike (S) and nucleocapsid (N) proteins. We calculated seroprevalence, defining seropositivity using manufacturer cutoffs and using a mixture model based on measured IgG level. Using manufacturer cutoffs, there was a 5-fold difference in seroprevalence estimated by each assay. This difference was largely reconciled using the mixture model, with estimated anti-S and anti-N IgG seroprevalence of 64.9% (95% credible interval (CrI): 63.8, 66.0) and 51.5% (95% CrI: 50.2, 52.9), respectively. Age and socioeconomic factors showed inconsistent relationships with anti-S and anti-N IgG seropositivity using manufacturer cutoffs. In the mixture model, age was not associated with seropositivity, and improved household ventilation was associated with lower seropositivity odds. With global vaccine scale-up, the utility of the more stable anti-S IgG assay may be limited due to the inclusion of the S protein in several vaccines. Estimates of SARS-CoV-2 seroprevalence using alternative targets must consider heterogeneity in seroresponse to ensure that seroprevalence is not underestimated and correlates are not misinterpreted.
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Affiliation(s)
- Matt D T Hitchings
- Correspondence to Dr. Matt Hitchings, Department of Biostatistics, College of Public Health and Health Professions, University of Florida, Clinical and Translational Research Building, 5th Floor, 2004 Mowry Road, Gainesville, FL 32603 (e-mail: )
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20
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Ahluwalia P, Vashisht A, Singh H, Sahajpal NS, Mondal AK, Jones K, Farmaha J, Bloomquist R, Carlock CM, Fransoso D, Sun C, Day T, Prah C, Vuong T, Ray P, Bradshaw D, Galvis MM, Fulzele S, Raval G, Moore JX, Cortes J, James JN, Kota V, Kolhe R. Ethno-demographic disparities in humoral responses to the COVID-19 vaccine among healthcare workers. J Med Virol 2023; 95:e29067. [PMID: 37675796 PMCID: PMC10536788 DOI: 10.1002/jmv.29067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 08/14/2023] [Accepted: 08/23/2023] [Indexed: 09/08/2023]
Abstract
The COVID-19 pandemic had a profound impact on global health, but rapid vaccine administration resulted in a significant decline in morbidity and mortality rates worldwide. In this study, we sought to explore the temporal changes in the humoral immune response against SARS-CoV-2 healthcare workers (HCWs) in Augusta, GA, USA, and investigate any potential associations with ethno-demographic features. Specifically, we aimed to compare the naturally infected individuals with naïve individuals to understand the immune response dynamics after SARS-CoV-2 vaccination. A total of 290 HCWs were included and assessed prospectively in this study. COVID status was determined using a saliva-based COVID assay. Neutralizing antibody (NAb) levels were quantified using a chemiluminescent immunoassay system, and IgG levels were measured using an enzyme-linked immunosorbent assay method. We examined the changes in antibody levels among participants using different statistical tests including logistic regression and multiple correspondence analysis. Our findings revealed a significant decline in NAb and IgG levels at 8-12 months postvaccination. Furthermore, a multivariable analysis indicated that this decline was more pronounced in White HCWs (odds ratio [OR] = 2.1, 95% confidence interval [CI] = 1.07-4.08, p = 0.02) and IgG (OR = 2.07, 95% CI = 1.04-4.11, p = 0.03) among the whole cohort. Booster doses significantly increased IgG and NAb levels, while a decline in antibody levels was observed in participants without booster doses at 12 months postvaccination. Our results highlight the importance of understanding the dynamics of immune response and the potential influence of demographic factors on waning immunity to SARS-CoV-2. In addition, our findings emphasize the value of booster doses to ensure durable immunity.
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Affiliation(s)
- Pankaj Ahluwalia
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
| | - Ashutosh Vashisht
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
| | - Harmanpreet Singh
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
| | | | - Ashis K. Mondal
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
| | - Kimya Jones
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
| | - Jaspreet Farmaha
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
- Dental College of Georgia, Augusta University, GA, U.S.A
| | | | | | - Drew Fransoso
- Dental College of Georgia, Augusta University, GA, U.S.A
| | - Christina Sun
- Dental College of Georgia, Augusta University, GA, U.S.A
| | - Tyler Day
- Dental College of Georgia, Augusta University, GA, U.S.A
| | - Comfort Prah
- Dental College of Georgia, Augusta University, GA, U.S.A
| | - Trinh Vuong
- Dental College of Georgia, Augusta University, GA, U.S.A
| | - Patty Ray
- Clinical Trials Office, Augusta University, GA, U.S.A
| | | | | | - Sadanand Fulzele
- Department of Medicine, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
| | - Girindra Raval
- Georgia Cancer Center at Augusta University, Augusta, GA 30912, USA
| | | | - Jorge Cortes
- Georgia Cancer Center at Augusta University, Augusta, GA 30912, USA
| | | | - Vamsi Kota
- Georgia Cancer Center at Augusta University, Augusta, GA 30912, USA
| | - Ravindra Kolhe
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
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21
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Reinkemeyer C, Khazaei Y, Weigert M, Hannes M, Le Gleut R, Plank M, Winter S, Noreña I, Meier T, Xu L, Rubio-Acero R, Wiegrebe S, Le Thi TG, Fuchs C, Radon K, Paunovic I, Janke C, Wieser A, Küchenhoff H, Hoelscher M, Castelletti N. The Prospective COVID-19 Post-Immunization Serological Cohort in Munich (KoCo-Impf): Risk Factors and Determinants of Immune Response in Healthcare Workers. Viruses 2023; 15:1574. [PMID: 37515259 PMCID: PMC10383736 DOI: 10.3390/v15071574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/11/2023] [Accepted: 07/15/2023] [Indexed: 07/30/2023] Open
Abstract
Antibody studies analyze immune responses to SARS-CoV-2 vaccination and infection, which is crucial for selecting vaccination strategies. In the KoCo-Impf study, conducted between 16 June and 16 December 2021, 6088 participants aged 18 and above from Munich were recruited to monitor antibodies, particularly in healthcare workers (HCWs) at higher risk of infection. Roche Elecsys® Anti-SARS-CoV-2 assays on dried blood spots were used to detect prior infections (anti-Nucleocapsid antibodies) and to indicate combinations of vaccinations/infections (anti-Spike antibodies). The anti-Spike seroprevalence was 94.7%, whereas, for anti-Nucleocapsid, it was only 6.9%. HCW status and contact with SARS-CoV-2-positive individuals were identified as infection risk factors, while vaccination and current smoking were associated with reduced risk. Older age correlated with higher anti-Nucleocapsid antibody levels, while vaccination and current smoking decreased the response. Vaccination alone or combined with infection led to higher anti-Spike antibody levels. Increasing time since the second vaccination, advancing age, and current smoking reduced the anti-Spike response. The cumulative number of cases in Munich affected the anti-Spike response over time but had no impact on anti-Nucleocapsid antibody development/seropositivity. Due to the significantly higher infection risk faced by HCWs and the limited number of significant risk factors, it is suggested that all HCWs require protection regardless of individual traits.
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Affiliation(s)
- Christina Reinkemeyer
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
| | - Yeganeh Khazaei
- Statistical Consulting Unit StaBLab, Department of Statistics, LMU Munich, Ludwigstraße 33, 80539 Munich, Germany
| | - Maximilian Weigert
- Statistical Consulting Unit StaBLab, Department of Statistics, LMU Munich, Ludwigstraße 33, 80539 Munich, Germany
- Munich Center for Machine Learning (MCML), 80539 Munich, Germany
| | - Marlene Hannes
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
| | - Ronan Le Gleut
- Institute of Computational Biology, Helmholtz Munich, 85764 Neuherberg, Germany
- Core Facility Statistical Consulting, Helmholtz Munich, 85764 Neuherberg, Germany
| | - Michael Plank
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
| | - Simon Winter
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
| | - Ivan Noreña
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
| | - Theresa Meier
- Statistical Consulting Unit StaBLab, Department of Statistics, LMU Munich, Ludwigstraße 33, 80539 Munich, Germany
| | - Lisa Xu
- Statistical Consulting Unit StaBLab, Department of Statistics, LMU Munich, Ludwigstraße 33, 80539 Munich, Germany
| | - Raquel Rubio-Acero
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
| | - Simon Wiegrebe
- Statistical Consulting Unit StaBLab, Department of Statistics, LMU Munich, Ludwigstraße 33, 80539 Munich, Germany
- Department of Genetic Epidemiology, University of Regensburg, 93053 Regensburg, Germany
| | - Thu Giang Le Thi
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, LMU Munich, Lindwurmstrasse 4, 80337 Munich, Germany
| | - Christiane Fuchs
- Institute of Computational Biology, Helmholtz Munich, 85764 Neuherberg, Germany
- Core Facility Statistical Consulting, Helmholtz Munich, 85764 Neuherberg, Germany
- Faculty of Business Administration and Economics, Bielefeld University, 33615 Bielefeld, Germany
- Center for Mathematics, Technische Universität München, 85748 Garching, Germany
| | - Katja Radon
- Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, 80336 Munich, Germany
- Center for International Health (CIH), University Hospital, LMU Munich, 80336 Munich, Germany
- Comprehensive Pneumology Center (CPC) Munich, German Center for Lung Research (DZL), 89337 Munich, Germany
| | - Ivana Paunovic
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
| | - Christian Janke
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
| | - Andreas Wieser
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
- German Center for Infection Research (DZIF), Partner Site Munich, 80802 Munich, Germany
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Immunology, Infection and Pandemic Research, 80799 Munich, Germany
- Max von Pettenkofer Institute, Faculty of Medicine, LMU Munich, 80336 Munich, Germany
| | - Helmut Küchenhoff
- Statistical Consulting Unit StaBLab, Department of Statistics, LMU Munich, Ludwigstraße 33, 80539 Munich, Germany
| | - Michael Hoelscher
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
- Center for International Health (CIH), University Hospital, LMU Munich, 80336 Munich, Germany
- German Center for Infection Research (DZIF), Partner Site Munich, 80802 Munich, Germany
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Immunology, Infection and Pandemic Research, 80799 Munich, Germany
| | - Noemi Castelletti
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, 80802 Munich, Germany
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Immunology, Infection and Pandemic Research, 80799 Munich, Germany
- Institute of Radiation Medicine, Helmholtz Zentrum München, 85764 Neuherberg, Germany
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22
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Quee FA, Hogema BM, Slot E, Kruijer S, Molier M, van den Hurk K, Zaaijer HL. Booster vaccinations and Omicron: the effects on SARS-CoV-2 antibodies in Dutch blood donors. BMC Infect Dis 2023; 23:464. [PMID: 37438703 DOI: 10.1186/s12879-023-08448-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 07/06/2023] [Indexed: 07/14/2023] Open
Abstract
INTRODUCTION The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) booster vaccination campaign and the emergence of SARS-CoV-2 Omicron variants impact the prevalence and levels of SARS-CoV-2 antibodies in the Netherlands. In this study we determined antibody levels across age groups, the impact of Omicron variant infections, and the effect of booster vaccinations on antibody levels. METHODS In September and December 2021 and in February 2022, over 2000 Dutch blood donors were tested for presence of SARS-CoV-2 antibodies. Donations were selected based on age, sex, and region of residence, to provide an optimal coverage and representation of the Dutch population. RESULTS Levels of vaccination-induced spike antibodies decreased over time in all age groups. Donors vaccinated with Janssen or AstraZeneca had significantly lower antibody levels than donors vaccinated with Pfizer or Moderna vaccine. Boostering with an mRNA vaccine elevated antibody levels in all age-groups irrespective of the initial vaccine. In donors aged < 56 years, the proportion of infected donors almost doubled between December 2021 and February 2022. CONCLUSION The booster vaccination campaign increased antibody levels in all age-groups. After a booster vaccination, donors initially vaccinated with AstraZeneca or Janssen vaccine showed antibody levels similar to donors initially vaccinated with an mRNA vaccine. The emergence of the SARS-CoV-2 Omicron variant in the Netherlands caused a substantial increase in donors with infection-induced antibodies, especially among younger donors.
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Affiliation(s)
- F A Quee
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, The Netherlands
| | - B M Hogema
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, The Netherlands
- Department of Virology, Sanquin Diagnostic Services, Amsterdam, the Netherlands
| | - E Slot
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, The Netherlands
- Department of Medical Affairs, Sanquin Corporate Staff, Amsterdam, the Netherlands
| | - S Kruijer
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, The Netherlands
- Department of Experimental Immunohematology, Sanquin Research, Amsterdam, the Netherlands
| | - M Molier
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, The Netherlands
| | - K van den Hurk
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, The Netherlands
| | - H L Zaaijer
- Department of Donor Medicine Research, Sanquin Research, Amsterdam, The Netherlands
- Department of Clinical Virology, Amsterdam University Medical Centre, Amsterdam, The Netherlands
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23
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Mushcab H, Al-Tawfiq JA, Babgi A, Ghamdi M, Amir A, Sheikh SS, Darwisheh A, AlObaid A, Masuadi E, AlFattani A, Qahtani S, Al Sagheir A. Longevity of Immunoglobulin-G Antibody Response Against Nucleocapsid Protein Against SARS-CoV-2 Among Healthcare Workers. Infect Drug Resist 2023; 16:3407-3416. [PMID: 37283943 PMCID: PMC10239621 DOI: 10.2147/idr.s400365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 04/24/2023] [Indexed: 06/08/2023] Open
Abstract
Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) caused the latest pandemic and the most significant challenge in public health worldwide. Studying the longevity of naturally developed antibodies is highly important clinically and epidemiologically. This paper assesses the longevity of antibodies developed against nucleocapsid protein amongst our health-care workers. Methods This longitudinal cohort study was conducted at a tertiary hospital, Saudi Arabia. Anti-SARSsCoV-2 antibodies were tested among health-care workers at three-point intervals (baseline, eight weeks, and 16 weeks). Results Of the 648 participants, 112 (17.2%) tested positive for Coronavirus (COVID-19) by PCR before the study. Of all participants, 87 (13.4%) tested positive for anti-SARS-CoV-2 antibodies, including 17 (2.6%) participants who never tested positive for COVID-19 using rt-PCR. Out of the 87 positive IgG participants at baseline, only 12 (13.7%) had remained positive for anti-SARS-CoV-2 antibodies by the end of the study. The IgG titer showed a significant reduction in values over time, where the median time for the confirmed positive rt-PCR subgroup from infection to the last positive antibody test was 70 (95% CI: 33.4-106.5) days. Conclusion Health-care workers are at high risk of exposure to the SARS-CoV-2 virus, and contracting an asymptomatic infection is not unlikely. Developing and sustaining natural immunity differs from one person to another, while the rate of positive IgG anti-SARS-CoV-2 wanes over time. Clinicaltrialsgov Identifier NCT04469647, July 14, 2020.
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Affiliation(s)
- Hayat Mushcab
- Research Office, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Jaffar A Al-Tawfiq
- Specialty Internal Medicine and Quality and Patient Safety Departments, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
- Infectious Disease Division, Department of Medicine, Indiana University School of Medicine, IN, Indiana, USA
- Infectious Disease Division, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Amani Babgi
- Nursing Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Mohammed Ghamdi
- Population Health Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Abdulrazack Amir
- Office of Academic Affairs, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Salwa S Sheikh
- Pathology Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Adel Darwisheh
- Laboratory Services Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Abrar AlObaid
- Laboratory Services Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Emad Masuadi
- Medical Education Department, College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Areej AlFattani
- Biostatistics and Epidemiology Department, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Saeed Qahtani
- Wellness Institute, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Ahmed Al Sagheir
- Research Office, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
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24
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Naveca FG, Nascimento VA, Nascimento F, Ogrzewalska M, Pauvolid-Corrêa A, Araújo MF, Arantes I, Batista ÉR, Magalhães AÁ, Vinhal F, Mattos TP, Riediger I, Debur MDC, Grinsztejn B, Veloso VG, Brasil P, Rodrigues RR, Rovaris DB, Fernandes SB, Fernandes C, Santos JHA, Abdalla LF, Costa-Filho R, Silva M, Souza V, Costa ÁA, Mejía M, Brandão MJ, Gonçalves LF, Silva GA, de Jesus MS, Pessoa K, Corado ADLG, Duarte DCG, Machado AB, Zukeram KDA, Valente N, Lopes RS, Pereira EC, Appolinario LR, Rocha AS, Tort LFL, Sekizuka T, Itokawa K, Hashino M, Kuroda M, Dezordi FZ, Wallau GL, Delatorre E, Gräf T, Siqueira MM, Bello G, Resende PC. SARS-CoV-2 intra-host diversity, antibody response, and disease severity after reinfection by the variant of concern Gamma in Brazil. Sci Rep 2023; 13:7306. [PMID: 37147348 PMCID: PMC10160723 DOI: 10.1038/s41598-023-33443-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 04/12/2023] [Indexed: 05/07/2023] Open
Abstract
The rapid spread of the SARS-CoV-2 Variant of Concern (VOC) Gamma in Amazonas during early 2021 fueled a second large COVID-19 epidemic wave and raised concern about the potential role of reinfections. Very few cases of reinfection associated with the VOC Gamma have been reported to date, and their potential impact on clinical, immunological, and virological parameters remains largely unexplored. Here we describe 25 cases of SARS-CoV-2 reinfection in Brazil. SARS-CoV-2 genomic analysis confirmed that individuals were primo-infected with distinct viral lineages between March and December 2020 (B.1.1, B.1.1.28, B.1.1.33, B.1.195, and P.2) and reinfected with the VOC Gamma between 3 to 12 months after primo-infection. We found a similar mean cycle threshold (Ct) value and limited intra-host viral diversity in both primo-infection and reinfection samples. Sera of 14 patients tested 10-75 days after reinfection displayed detectable neutralizing antibodies (NAb) titers against SARS-CoV-2 variants that circulated before (B.1.*), during (Gamma), and after (Delta and Omicron) the second epidemic wave in Brazil. All individuals had milder or no symptoms after reinfection, and none required hospitalization. These findings demonstrate that individuals reinfected with the VOC Gamma may display relatively high RNA viral loads at the upper respiratory tract after reinfection, thus contributing to onward viral transmissions. Despite this, our study points to a low overall risk of severe Gamma reinfections, supporting that the abrupt increase in hospital admissions and deaths observed in Amazonas and other Brazilian states during the Gamma wave was mostly driven by primary infections. Our findings also indicate that most individuals analyzed developed a high anti-SARS-CoV-2 NAb response after reinfection that may provide some protection against reinfection or disease by different SARS-CoV-2 variants.
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Affiliation(s)
- Felipe Gomes Naveca
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil.
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Valdinete Alves Nascimento
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - Fernanda Nascimento
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - Maria Ogrzewalska
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Alex Pauvolid-Corrêa
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Mia Ferreira Araújo
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Ighor Arantes
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
- Laboratório de AIDS e Imunologia Molecular, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | | | | | | | - Tirza Peixoto Mattos
- Laboratório Central de Saúde Pública do Amazonas (LACEN-AM, Manaus, Amazonas, Brazil
| | - Irina Riediger
- Laboratório Central de Saúde Pública do Paraná (LACEN-PR) Curitiba, Paraná, Brazil
| | - Maria do Carmo Debur
- Laboratório Central de Saúde Pública do Paraná (LACEN-PR) Curitiba, Paraná, Brazil
| | - Beatriz Grinsztejn
- Instituto Nacional de Infectologia Evandro Chagas (INI), Fiocruz, Rio de Janeiro, Brazil
| | - Valdiléa G Veloso
- Instituto Nacional de Infectologia Evandro Chagas (INI), Fiocruz, Rio de Janeiro, Brazil
| | - Patrícia Brasil
- Instituto Nacional de Infectologia Evandro Chagas (INI), Fiocruz, Rio de Janeiro, Brazil
| | | | - Darcita Buerger Rovaris
- Laboratório Central de Saúde Pública do Estado de Santa Catarina (LACEN-SC), Florianópolis, Santa Catarina, Brazil
| | - Sandra Bianchini Fernandes
- Laboratório Central de Saúde Pública do Estado de Santa Catarina (LACEN-SC), Florianópolis, Santa Catarina, Brazil
| | - Cristiano Fernandes
- Fundação de Vigilância em Saúde do Amazonas-Dra Rosemary Costa Pinto, Manaus, Amazonas, Brazil
| | | | | | | | - Marineide Silva
- Laboratório Central de Saúde Pública do Amazonas (LACEN-AM, Manaus, Amazonas, Brazil
| | - Victor Souza
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - Ágatha Araújo Costa
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - Matilde Mejía
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - Maria Júlia Brandão
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - Luciana Fé Gonçalves
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
- Fundação de Vigilância em Saúde do Amazonas-Dra Rosemary Costa Pinto, Manaus, Amazonas, Brazil
| | - George Allan Silva
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - Michele Silva de Jesus
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - Karina Pessoa
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - André de Lima Guerra Corado
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - Debora Camila Gomes Duarte
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
| | - Ana Beatriz Machado
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Ketiuce de Azevedo Zukeram
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Natalia Valente
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Renata Serrano Lopes
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Elisa Cavalcante Pereira
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Luciana Reis Appolinario
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Alice Sampaio Rocha
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Luis Fernando Lopez Tort
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
- CENUR Litoral Norte, Universidad de la República, Salto, Uruguay
| | - Tsuyoshi Sekizuka
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-Ku, Tokyo, 162-8640, Japan
| | - Kentaro Itokawa
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-Ku, Tokyo, 162-8640, Japan
| | - Masanori Hashino
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-Ku, Tokyo, 162-8640, Japan
| | - Makoto Kuroda
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-Ku, Tokyo, 162-8640, Japan
| | | | - Gabriel Luz Wallau
- Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Recife, Pernambuco, Brazil
| | - Edson Delatorre
- Departamento de Biologia, Centro de Ciências Exatas, Naturais e da Saúde, Universidade Federal do Espírito Santo, Alegre, Brazil
| | - Tiago Gräf
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
| | - Marilda Mendonça Siqueira
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
| | - Gonzalo Bello
- Laboratório de AIDS e Imunologia Molecular, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - Paola Cristina Resende
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ, Brazil
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Owusu-Boaitey N, Russell TW, Meyerowitz-Katz G, Levin AT, Herrera-Esposito D. Dynamics of SARS-CoV-2 seroassay sensitivity: a systematic review and modelling study. Euro Surveill 2023; 28:2200809. [PMID: 37227301 PMCID: PMC10283460 DOI: 10.2807/1560-7917.es.2023.28.21.2200809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 03/10/2023] [Indexed: 05/26/2023] Open
Abstract
BackgroundSerological surveys have been the gold standard to estimate numbers of SARS-CoV-2 infections, the dynamics of the epidemic, and disease severity. Serological assays have decaying sensitivity with time that can bias their results, but there is a lack of guidelines to account for this phenomenon for SARS-CoV-2.AimOur goal was to assess the sensitivity decay of seroassays for detecting SARS-CoV-2 infections, the dependence of this decay on assay characteristics, and to provide a simple method to correct for this phenomenon.MethodsWe performed a systematic review and meta-analysis of SARS-CoV-2 serology studies. We included studies testing previously diagnosed, unvaccinated individuals, and excluded studies of cohorts highly unrepresentative of the general population (e.g. hospitalised patients).ResultsOf the 488 screened studies, 76 studies reporting on 50 different seroassays were included in the analysis. Sensitivity decay depended strongly on the antigen and the analytic technique used by the assay, with average sensitivities ranging between 26% and 98% at 6 months after infection, depending on assay characteristics. We found that a third of the included assays departed considerably from manufacturer specifications after 6 months.ConclusionsSeroassay sensitivity decay depends on assay characteristics, and for some types of assays, it can make manufacturer specifications highly unreliable. We provide a tool to correct for this phenomenon and to assess the risk of decay for a given assay. Our analysis can guide the design and interpretation of serosurveys for SARS-CoV-2 and other pathogens and quantify systematic biases in the existing serology literature.
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Affiliation(s)
- Nana Owusu-Boaitey
- Case Western Reserve University School of Medicine, Cleveland, United States
- These authors contributed equally to this work
| | - Timothy W Russell
- Centre for the Mathematical Modelling of Infectious Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | | | - Andrew T Levin
- Dartmouth College, Hanover, United States
- National Bureau for Economic Research, Cambridge, United States
- Centre for Economic Policy Research, London, United Kingdom
| | - Daniel Herrera-Esposito
- These authors contributed equally to this work
- Department of Psychology, University of Pennsylvania, Philadelphia, United States
- Laboratorio de Neurociencias, Universidad de la República, Montevideo, Uruguay
- Centro Interdisciplinario en Ciencia de Datos y Aprendizaje Automático, Universidad de la República, Montevideo, Uruguay
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26
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Diallo MSK, Amougou-Atsama M, Ayouba A, Kpamou C, Mimbe Taze ED, Thaurignac G, Diallo H, Lamare NB, Bouillin J, Soumah AK, Noah SA, Guichet E, Keita AK, Varloteaux M, Peeters M, Bissek ACZK, Toure A, Delaporte E, Kouanfack C. Large Diffusion of Severe Acute Respiratory Syndrome Coronavirus 2 After the Successive Epidemiological Waves, Including Omicron, in Guinea and Cameroon: Implications for Vaccine Strategies. Open Forum Infect Dis 2023; 10:ofad216. [PMID: 37152188 PMCID: PMC10157752 DOI: 10.1093/ofid/ofad216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 04/18/2023] [Indexed: 05/09/2023] Open
Abstract
Background We aimed to estimate the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) seroprevalence among the general population in Conakry, Guinea and Yaounde, Cameroon after the coronavirus disease 2019 Omicron wave. Methods We conducted population-based, age-stratified seroprevalence surveys in Conakry and Yaounde (May and June 2022). We collected demographic and epidemiologic information and dried blood spot samples that were tested for SARS-CoV-2 immunoglobulin G (IgG) antibodies using recombinant nucleocapsid and spike proteins with Luminex technology. Results Samples were obtained from 1386 and 1425 participants in Guinea and Cameroon, respectively. The overall age-standardized SARS-CoV-2 IgG seroprevalence against spike and nucleocapsid proteins was 71.57% (95% confidence interval [CI], 67.48%-75.33%) in Guinea and 74.71% (95% CI, 71.99%-77.25%) in Cameroon. Seroprevalence increased significantly with age categories. Female participants were more likely than male participants to be seropositive. The seroprevalence in unvaccinated participants was 69.6% (95% CI, 65.5%-73.41%) in Guinea and 74.8% (95% CI, 72.04%-77.38%) in Cameroon. In multivariate analysis, only age, sex, and education were independently associated with seropositivity. Conclusions These findings show a high community transmission after the different epidemiological waves including Omicron, especially among people aged >40 years. In addition, our results suggest that the spread of SARS-CoV-2 has been underestimated as a significant proportion of the population has already contracted the virus and that vaccine strategies should focus on vulnerable populations.
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Affiliation(s)
- Mamadou Saliou Kalifa Diallo
- Correspondence: Mamadou Saliou Kalifa Diallo, MD, TransVIHMI, University of Montpellier, Inserm, Institut de Recherche pour le Developpement, 911 Avenue Agropolis, 34934 Montpellier, France (); Eric Delaporte, MD, TransVIHMI, University of Montpellier, Inserm, Institut de Recherche pour le Developpement, Montpellier, France ()
| | - Marie Amougou-Atsama
- Centre de Recherche sur les Maladies Émergentes et Re-Emergentes, Yaounde, Cameroon
| | - Ahidjo Ayouba
- TransVIHMI, University of Montpellier, Inserm, Institut de Recherche pour le Developpement, Montpellier, France
| | - Cece Kpamou
- Centre de Recherche et de Formation en Infectiologie de Guinée, Université Gamal Abdel Nasser de Conakry, Conakry, Guinea
| | - Eric Donald Mimbe Taze
- French National Agency for Research on AIDS and Infectious Diseases, Cameroon Site, Central Hospital of Yaounde, Yaounde, Cameroon
| | - Guillaume Thaurignac
- TransVIHMI, University of Montpellier, Inserm, Institut de Recherche pour le Developpement, Montpellier, France
| | - Haby Diallo
- Centre de Recherche et de Formation en Infectiologie de Guinée, Université Gamal Abdel Nasser de Conakry, Conakry, Guinea
| | - Nadine Boutgam Lamare
- Faculty of Medicine and Pharmaceutical Sciences, University of Dschang, Dschang, Cameroon
| | - Julie Bouillin
- TransVIHMI, University of Montpellier, Inserm, Institut de Recherche pour le Developpement, Montpellier, France
| | - Abdoul Karim Soumah
- Centre de Recherche et de Formation en Infectiologie de Guinée, Université Gamal Abdel Nasser de Conakry, Conakry, Guinea
| | - Sébastien Awono Noah
- French National Agency for Research on AIDS and Infectious Diseases, Cameroon Site, Central Hospital of Yaounde, Yaounde, Cameroon
| | - Emilande Guichet
- TransVIHMI, University of Montpellier, Inserm, Institut de Recherche pour le Developpement, Montpellier, France
| | - Alpha Kabinet Keita
- Centre de Recherche et de Formation en Infectiologie de Guinée, Université Gamal Abdel Nasser de Conakry, Conakry, Guinea
- TransVIHMI, University of Montpellier, Inserm, Institut de Recherche pour le Developpement, Montpellier, France
| | - Marie Varloteaux
- French National Agency for Research on AIDS and Infectious Diseases, Cameroon Site, Central Hospital of Yaounde, Yaounde, Cameroon
| | - Martine Peeters
- TransVIHMI, University of Montpellier, Inserm, Institut de Recherche pour le Developpement, Montpellier, France
| | - Anne-Cécile Zoung-Kanyi Bissek
- Centre de Recherche sur les Maladies Émergentes et Re-Emergentes, Yaounde, Cameroon
- Division of Operational Research in Health, Ministry of Public Health of Cameroon, Yaounde, Cameroon
| | | | - Eric Delaporte
- Correspondence: Mamadou Saliou Kalifa Diallo, MD, TransVIHMI, University of Montpellier, Inserm, Institut de Recherche pour le Developpement, 911 Avenue Agropolis, 34934 Montpellier, France (); Eric Delaporte, MD, TransVIHMI, University of Montpellier, Inserm, Institut de Recherche pour le Developpement, Montpellier, France ()
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Rzymski P. Guillain-Barré syndrome and COVID-19 vaccines: focus on adenoviral vectors. Front Immunol 2023; 14:1183258. [PMID: 37180147 PMCID: PMC10169623 DOI: 10.3389/fimmu.2023.1183258] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 04/12/2023] [Indexed: 05/15/2023] Open
Abstract
COVID-19 vaccination is a life-saving intervention. However, it does not come up without a risk of rare adverse events, which frequency varies between vaccines developed using different technological platforms. The increased risk of Guillain-Barré syndrome (GBS) has been reported for selected adenoviral vector vaccines but not for other vaccine types, including more widely used mRNA preparations. Therefore, it is unlikely that GBS results from the cross-reactivity of antibodies against the SARS-CoV-2 spike protein generated after the COVID-19 vaccination. This paper outlines two hypotheses according to which increased risk of GBS following adenoviral vaccination is due to (1) generation of anti-vector antibodies that may cross-react with proteins involved in biological processes related to myelin and axons, or (2) neuroinvasion of selected adenovirus vectors to the peripheral nervous system, infection of neurons and subsequent inflammation and neuropathies. The rationale behind these hypotheses is outlined, advocating further epidemiological and experimental research to verify them. This is particularly important given the ongoing interest in using adenoviruses in developing vaccines against various infectious diseases and cancer immunotherapeutics.
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Affiliation(s)
- Piotr Rzymski
- Department of Environmental Medicine, Poznan University of Medical Sciences, Poznan, Poland
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28
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Sayabovorn N, Phisalprapa P, Srivanichakorn W, Chaisathaphol T, Washirasaksiri C, Sitasuwan T, Tinmanee R, Kositamongkol C, Nimitpunya P, Mepramoon E, Ariyakunaphan P, Woradetsittichai D, Chayakulkeeree M, Phoompoung P, Mayurasakorn K, Sookrung N, Tungtrongchitr A, Wanitphakdeedecha R, Muangman S, Senawong S, Tangjittipokin W, Sanpawitayakul G, Nopmaneejumruslers C, Vamvanij V, Auesomwang C. Dynamics of Antibody Responses after Asymptomatic and Mild to Moderate SARS-CoV-2 Infections: Real-World Data in a Resource-Limited Country. Trop Med Infect Dis 2023; 8:tropicalmed8040185. [PMID: 37104311 PMCID: PMC10143231 DOI: 10.3390/tropicalmed8040185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 03/19/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023] Open
Abstract
The dynamics of humoral immune responses of patients after SARS-CoV-2 infection is unclear. This study prospectively observed changes in anti-receptor binding domain immunoglobulin G (anti-RBD IgG) and neutralizing antibodies against the Wuhan and Delta strains at 1, 3, and 6 months postinfection between October 2021 and May 2022. Demographic data, clinical characteristics, baseline parameters, and blood samples of participants were collected. Of 5059 SARS-CoV-2 infected adult patients, only 600 underwent assessment at least once between 3 and 6 months after symptom onset. Patients were categorized as immunocompetent (n = 566), immunocompromised (n = 14), or reinfected (n = 20). A booster dose of a COVID-19 vaccine was strongly associated with maintained or increased COVID-19 antibody levels. The booster dose was also more strongly associated with antibody responses than the primary vaccination series. Among patients receiving a booster dose of a mRNA vaccine or a heterologous regimen, antibody levels remained steady or even increased for 3 to 6 months after symptom onset compared with inactivated or viral vector vaccines. There was a strong correlation between anti-RBD IgG and neutralizing antibodies against the Delta variant. This study is relevant to resource-limited countries for administering COVID-19 vaccines 3 to 6 months after infection.
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Affiliation(s)
- Naruemit Sayabovorn
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Pochamana Phisalprapa
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Weerachai Srivanichakorn
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Thanet Chaisathaphol
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Chaiwat Washirasaksiri
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Tullaya Sitasuwan
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Rungsima Tinmanee
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Chayanis Kositamongkol
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Pongpol Nimitpunya
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Euarat Mepramoon
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Pinyapat Ariyakunaphan
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Diana Woradetsittichai
- Department of Nursing, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Methee Chayakulkeeree
- Division of Infectious Diseases and Tropical Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Pakpoom Phoompoung
- Division of Infectious Diseases and Tropical Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Korapat Mayurasakorn
- Siriraj Population Health and Nutrition Research Group, Department of Research Group and Research Network, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Nitat Sookrung
- Center of Research Excellence on Therapeutic Proteins and Antibody Engineering, Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Anchalee Tungtrongchitr
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Rungsima Wanitphakdeedecha
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Saipin Muangman
- Department of Anesthesiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Sansnee Senawong
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Watip Tangjittipokin
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Gornmigar Sanpawitayakul
- Division of Ambulatory Paediatrics, Department of Paediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Cherdchai Nopmaneejumruslers
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Visit Vamvanij
- Department of Orthopaedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Chonticha Auesomwang
- Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Correspondence: ; Tel.: +66-2-419-7190
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Monitoring of SARS-CoV-2 Infection in Ragusa Area: Next Generation Sequencing and Serological Analysis. Int J Mol Sci 2023; 24:ijms24054742. [PMID: 36902172 PMCID: PMC10003428 DOI: 10.3390/ijms24054742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023] Open
Abstract
The coronavirus disease 19 (COVID-19) post pandemic evolution is correlated to the development of new variants. Viral genomic and immune response monitoring are fundamental to the surveillance of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Since 1 January to 31 July 2022, we monitored the SARS-CoV-2 variants trend in Ragusa area sequencing n.600 samples by next generation sequencing (NGS) technology: n.300 were healthcare workers (HCWs) of ASP Ragusa. The evaluation of anti-Nucleocapside (N), receptor-binding domain (RBD), the two subunit of S protein (S1 and S2) IgG levels in 300 exposed vs. 300 unexposed HCWs to SARS-CoV-2 was performed. Differences in immune response and clinical symptoms related to the different variants were investigated. The SARS-CoV-2 variants trend in Ragusa area and in Sicily region were comparable. BA.1 and BA.2 were the most representative variants, whereas the diffusion of BA.3 and BA.4 affected some places of the region. Although no correlation was found between variants and clinical manifestations, anti-N and anti-S2 levels were positively correlated with an increase in the symptoms number. SARS-CoV-2 infection induced a statistically significant enhancement in antibody titers compared to that produced by SARS-CoV-2 vaccine administration. In post-pandemic period, the evaluation of anti-N IgG could be used as an early marker to identify asymptomatic subjects.
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Raffi F, Gottlieb RL. Monoclonal Antibodies in Hospitalised Patients with COVID-19: The Role of SARS-COV-2 Serostatus in an Evolving Pandemic. Infect Dis Ther 2023; 12:735-747. [PMID: 36800149 PMCID: PMC9936461 DOI: 10.1007/s40121-023-00769-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 01/25/2023] [Indexed: 02/18/2023] Open
Abstract
Appropriately selected neutralising monoclonal antibodies (nmAbs) are an effective treatment for patients with mild or moderate coronavirus disease 2019 (COVID-19) who are at high risk of progression to severe disease. In contrast, the efficacy of nmAbs in patients hospitalised with COVID-19 has been mixed, and clinical benefit has largely been restricted to seronegative patients [i.e. those lacking endogenous severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies] in the trials with positive outcomes. This review summarises the major clinical trial data investigating nmAb treatment for hospitalised patients with COVID-19, and explores current definitions of seropositivity, what they mean in a late-pandemic context and discusses the current late-pandemic challenges associated with defining 'seroprotection' in a clinically meaningful way. We conclude that following widespread vaccination, increasing numbers of prior infections and emerging viral variants, seropositivity now reflects a range of immune coverage rather than a binary tool with which to aid decision-making on a clinically actionable timescale. Treatment decisions with nmAbs in a late-pandemic context would therefore likely best rely on information regarding clinical status, time since symptom onset, underlying patient condition(s) and the dominant circulating variant, should they be approved for future use in hospitalised patients with COVID-19.
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Affiliation(s)
- François Raffi
- Department of Infectious Disease, University Hospital of Nantes, CIC 1413 INSERM, Nantes, France
| | - Robert L Gottlieb
- Baylor Scott and White Health, Dallas, TX, USA.
- Texas A&M Health Science Center, Dallas, TX, USA.
- TCU School of Medicine, Ft Worth, TX, USA.
- Center for Advanced Heart and Lung Disease, Baylor University Medical Center, 3410 Worth St., Suite 250, Dallas, TX, 75246, USA.
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Irizar P, Pan D, Kapadia D, Bécares L, Sze S, Taylor H, Amele S, Kibuchi E, Divall P, Gray LJ, Nellums LB, Katikireddi SV, Pareek M. Ethnic inequalities in COVID-19 infection, hospitalisation, intensive care admission, and death: a global systematic review and meta-analysis of over 200 million study participants. EClinicalMedicine 2023; 57:101877. [PMID: 36969795 PMCID: PMC9986034 DOI: 10.1016/j.eclinm.2023.101877] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 02/02/2023] [Accepted: 02/02/2023] [Indexed: 03/08/2023] Open
Abstract
Background COVID-19 has exacerbated existing ethnic inequalities in health. Little is known about whether inequalities in severe disease and deaths, observed globally among minoritised ethnic groups, relates to greater infection risk, poorer prognosis, or both. We analysed global data on COVID-19 clinical outcomes examining inequalities between people from minoritised ethnic groups compared to the ethnic majority group. Methods Databases (MEDLINE, EMBASE, EMCARE, CINAHL, Cochrane Library) were searched from 1st December 2019 to 3rd October 2022, for studies reporting original clinical data for COVID-19 outcomes disaggregated by ethnicity: infection, hospitalisation, intensive care unit (ICU) admission, and mortality. We assessed inequalities in incidence and prognosis using random-effects meta-analyses, with Grading of Recommendations Assessment, Development, and Evaluation (GRADE) use to assess certainty of findings. Meta-regressions explored the impact of region and time-frame (vaccine roll-out) on heterogeneity. PROSPERO: CRD42021284981. Findings 77 studies comprising over 200,000,000 participants were included. Compared with White majority populations, we observed an increased risk of testing positive for infection for people from Black (adjusted Risk Ratio [aRR]:1.78, 95% CI:1.59-1.99, I2 = 99.1), South Asian (aRR:3.00, 95% CI:1.59-5.66, I2 = 99.1), Mixed (aRR:1.64, 95% CI:1.02-1.67, I2 = 93.2) and Other ethnic groups (aRR:1.36, 95% CI:1.01-1.82, I2 = 85.6). Black, Hispanic, and South Asian people were more likely to be seropositive. Among population-based studies, Black and Hispanic ethnic groups and Indigenous peoples had an increased risk of hospitalisation; Black, Hispanic, South Asian, East Asian and Mixed ethnic groups and Indigenous peoples had an increased risk of ICU admission. Mortality risk was increased for Hispanic, Mixed, and Indigenous groups. Smaller differences were seen for prognosis following infection. Following hospitalisation, South Asian, East Asian, Black and Mixed ethnic groups had an increased risk of ICU admission, and mortality risk was greater in Mixed ethnic groups. Certainty of evidence ranged from very low to moderate. Interpretation Our study suggests that systematic ethnic inequalities in COVID-19 health outcomes exist, with large differences in exposure risk and some differences in prognosis following hospitalisation. Response and recovery interventions must focus on tackling drivers of ethnic inequalities which increase exposure risk and vulnerabilities to severe disease, including structural racism and racial discrimination. Funding ESRC:ES/W000849/1.
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Affiliation(s)
- Patricia Irizar
- School of Social Sciences, University of Manchester, United Kingdom
| | - Daniel Pan
- Department of Respiratory Sciences, University of Leicester, United Kingdom
- Department of Infection and HIV Medicine, University Hospitals Leicester NHS Trust, United Kingdom
- Li Ka Shing Centre for Health Information and Discovery, Oxford Big Data Institute, University of Oxford, United Kingdom
- NIHR Leicester Biomedical Research Centre, United Kingdom
| | - Dharmi Kapadia
- School of Social Sciences, University of Manchester, United Kingdom
| | - Laia Bécares
- Department of Global Health and Social Medicine, King's College London, United Kingdom
| | - Shirley Sze
- Department of Cardiovascular Sciences, University of Leicester, United Kingdom
| | - Harry Taylor
- School of Social Sciences, University of Manchester, United Kingdom
| | - Sarah Amele
- MRC/CSO Social & Public Health Sciences Unit, University of Glasgow, United Kingdom
| | - Eliud Kibuchi
- MRC/CSO Social & Public Health Sciences Unit, University of Glasgow, United Kingdom
| | - Pip Divall
- University Hospitals of Leicester, Education Centre Library, Glenfield Hospital and Leicester Royal Infirmary, United Kingdom
| | - Laura J Gray
- Department of Health Sciences, University of Leicester, United Kingdom
| | - Laura B Nellums
- Division of Epidemiology and Public Health, School of Medicine, University of Nottingham, United Kingdom
| | | | - Manish Pareek
- Department of Respiratory Sciences, University of Leicester, United Kingdom
- Department of Infection and HIV Medicine, University Hospitals Leicester NHS Trust, United Kingdom
- NIHR Leicester Biomedical Research Centre, United Kingdom
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Grau Gómez G, Martínez Lacasa X, Costa R, Barreiro B, Leal M, Padilla E, Pérez P, Garreta M, Vidal J, Jaen A, Monzón Camps H. Serological response to COVID-19 pneumonia and increasing severity over 18 months in a prospective cohort of hospitalized patients. Intern Emerg Med 2023; 18:397-407. [PMID: 36538188 PMCID: PMC9765378 DOI: 10.1007/s11739-022-03177-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022]
Abstract
In this study, we present an 18-month serological follow-up of 294 patients with COVID-19 pneumonia. The aim was to assess the dynamics of serological response and its correlation with clinical worsening, as well as to describe clinical worsening determinants. Results of the study showed an early immunoglobulin M response, which clearly diminished starting at 4 months, but nonetheless, a small group of patients remained positive. As for immunoglobulin G, levels were higher up to 6 months in patients who presented clinical worsening during hospitalization. High titers of the immunoglobulin were maintained in all patients during follow-up, which would indicate that humoral immunity due to infection is long-lasting. Male sex, presence of myalgias and extensive radiological affectation were significantly correlated with clinical worsening.
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Affiliation(s)
- Gemma Grau Gómez
- Internal Medicine Department, Fundació Mútua Terrassa, Plaça del Doctor Robert, 5, 08221, Terrassa, Barcelona, Spain.
| | - Xavier Martínez Lacasa
- Internal Medicine Department, Fundació Mútua Terrassa, Plaça del Doctor Robert, 5, 08221, Terrassa, Barcelona, Spain
| | - Roser Costa
- Pneumology Department, Fundació Mútua Terrassa, Terrassa, Barcelona, Spain
| | | | - Miguel Leal
- Pneumology Department, Fundació Mútua Terrassa, Terrassa, Barcelona, Spain
| | - Emma Padilla
- Microbiology Department. Catlab, Fundació Mútua Terrassa, Terrassa, Barcelona, Spain
| | - Pepa Pérez
- Microbiology Department. Catlab, Fundació Mútua Terrassa, Terrassa, Barcelona, Spain
| | - Marc Garreta
- Microbiology Department. Catlab, Fundació Mútua Terrassa, Terrassa, Barcelona, Spain
| | - Judith Vidal
- Microbiology Department. Catlab, Fundació Mútua Terrassa, Terrassa, Barcelona, Spain
- Citometry Department. Catlab, Fundacio Mútua Terrassa, Terrassa, Spain
| | - Angeles Jaen
- Unitat de Recerca. Fundació, Docència i Recerca Mútua Terrassa, Universitat de Barcelona, Terrassa, Barcelona, Spain
| | - Helena Monzón Camps
- Internal Medicine Department, Fundació Mútua Terrassa, Plaça del Doctor Robert, 5, 08221, Terrassa, Barcelona, Spain
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Amati R, Piumatti G, Franscella G, Buttaroni P, Camerini AL, Corna L, Levati S, Fadda M, Fiordelli M, Annoni AM, Bezani K, Amendola A, Fragoso Corti C, Sabatini S, Kaufmann M, Frei A, Puhan MA, Crivelli L, Albanese E. Trajectories of Seroprevalence and Neutralizing Activity of Antibodies against SARS-CoV-2 in Southern Switzerland between July 2020 and July 2021: An Ongoing, Prospective Population-Based Cohort Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3703. [PMID: 36834397 PMCID: PMC9964112 DOI: 10.3390/ijerph20043703] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 02/13/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
OBJECTIVES The COVID-19 pandemic continues, and evidence on infection- and vaccine-induced immunity is key. We assessed COVID-19 immunity and the neutralizing antibody response to virus variants across age groups in the Swiss population. STUDY DESIGN We conducted a cohort study in representative community-dwelling residents aged five years or older in southern Switzerland (total population 353,343), and we collected blood samples in July 2020 (in adults only, N = 646), November-December 2020 (N = 1457), and June-July 2021 (N = 885). METHODS We used a previously validated Luminex assay to measure antibodies targeting the spike (S) and the nucleocapsid (N) proteins of the virus and a high-throughput cell-free neutralization assay optimized for multiple spike protein variants. We calculated seroprevalence with a Bayesian logistic regression model accounting for the population's sociodemographic structure and the test performance, and we compared the neutralizing activity between vaccinated and convalescent participants across virus variants. RESULTS The overall seroprevalence was 7.8% (95% CI: 5.4-10.4) by July 2020 and 20.2% (16.4-24.4) by December 2020. By July 2021, the overall seroprevalence increased substantially to 72.5% (69.1-76.4), with the highest estimates of 95.6% (92.8-97.8) among older adults, who developed up to 10.3 more antibodies via vaccination than after infection compared to 3.7 times more in adults. The neutralizing activity was significantly higher for vaccine-induced than infection-induced antibodies for all virus variants (all p values < 0.037). CONCLUSIONS Vaccination chiefly contributed to the reduction in immunonaive individuals, particularly those in older age groups. Our findings on the greater neutralizing activity of vaccine-induced antibodies than infection-induced antibodies are greatly informative for future vaccination campaigns.
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Affiliation(s)
- Rebecca Amati
- Institute of Public Health, Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland
| | | | - Giovanni Franscella
- Institute of Public Health, Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland
| | - Peter Buttaroni
- Faculty of Informatics, Università della Svizzera italiana, 6900 Lugano, Switzerland
| | - Anne-Linda Camerini
- Institute of Public Health, Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland
| | - Laurie Corna
- Department of Business Economics, Health and Social Care, University of Applied Sciences and Arts of Southern Switzerland, 6928 Manno, Switzerland
| | - Sara Levati
- Department of Business Economics, Health and Social Care, University of Applied Sciences and Arts of Southern Switzerland, 6928 Manno, Switzerland
| | - Marta Fadda
- Institute of Public Health, Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland
| | - Maddalena Fiordelli
- Institute of Public Health, Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland
- Department of Health Sciences, University of Lucerne, 6002 Lucerne, Switzerland
| | - Anna Maria Annoni
- Institute of Public Health, Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland
| | - Kleona Bezani
- Institute of Public Health, Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland
| | - Antonio Amendola
- Department of Business Economics, Health and Social Care, University of Applied Sciences and Arts of Southern Switzerland, 6928 Manno, Switzerland
| | - Cristina Fragoso Corti
- Institute of Microbiology, University of Applied Sciences and Arts of Southern Switzerland, 6501 Bellinzona, Switzerland
| | - Serena Sabatini
- Institute of Public Health, Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland
| | - Marco Kaufmann
- Epidemiology, Biostatistics and Prevention Institute, University of Zurich, 8001 Zurich, Switzerland
| | - Anja Frei
- Epidemiology, Biostatistics and Prevention Institute, University of Zurich, 8001 Zurich, Switzerland
| | - Milo Alan Puhan
- Epidemiology, Biostatistics and Prevention Institute, University of Zurich, 8001 Zurich, Switzerland
| | - Luca Crivelli
- Institute of Public Health, Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland
- Department of Business Economics, Health and Social Care, University of Applied Sciences and Arts of Southern Switzerland, 6928 Manno, Switzerland
| | - Emiliano Albanese
- Institute of Public Health, Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland
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Socan M, Prosenc K, Mrzel M. Seroprevalence of Anti-SARS-CoV-2 Antibodies Following the Omicron BA.1 Wave. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3665. [PMID: 36834360 PMCID: PMC9959557 DOI: 10.3390/ijerph20043665] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/10/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
We conducted a seroprevalence study using convenient residual sera samples from the Slovenian population collected after the end of the Omicron BA.1 pandemic wave. Serum samples were tested for spike glycoprotein (anti-S) and nucleocapsid protein (anti-N) antibodies. Participants' data regarding confirmed infection and vaccination was obtained from national registries. Anti-S antibodies were detected in 2439 (84.1%) of 2899 sera from persons aged 0-90 years, with the lowest prevalence in the 0-17 age group. The proportion of anti-N positives was the lowest in the ≥70 age group. The proportion of anti-N positives was significantly higher among participants with confirmed past infection and among those who had never been vaccinated. In participants who had not been notified as infected and who had never been vaccinated, the seroprevalence of anti-S and anti-N antibodies was 53% and 35.5%, respectively. From the time of serum collection to mid-November 2022, 445 participants (15.3%) tested positive for SARS-CoV-2, with higher odds in seronegative participants, participants in the 40-59 age group, and those without notified previous infection. Vaccination status and gender had no significant effects on infection risk. This study underlines the importance of serosurveys in understanding the development of the pandemic.
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Affiliation(s)
- Maja Socan
- National Institute of Public Health, 1000 Ljubljana, Slovenia
| | - Katarina Prosenc
- National Laboratory for Health, Food and Environment, 1000 Ljubljana, Slovenia
| | - Maja Mrzel
- National Institute of Public Health, 1000 Ljubljana, Slovenia
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Jiang C, Jiang K, Li X, Zhang N, Zhu W, Meng L, Zhang Y, Lu S. Evaluation of immunoprotection against coronavirus disease 2019: Novel variants, vaccine inoculation, and complications. J Pharm Anal 2023; 13:1-10. [PMID: 36317070 PMCID: PMC9605787 DOI: 10.1016/j.jpha.2022.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 11/07/2022] Open
Abstract
The strikingly rapidly mutating nature of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) genome has been a constant challenge during the coronavirus disease 2019 (COVID-19) pandemic. In this study, various techniques, including reverse transcription-quantitative polymerase chain reaction, antigen-detection rapid diagnostic tests, and high-throughput sequencing were analyzed under different scenarios and spectra for the etiological diagnosis of COVID-19 at the population scale. This study aimed to summarize the latest research progress and provide up-to-date understanding of the methodology used for the evaluation of the immunoprotection conditions against future variants of SARS-CoV-2. Our novel work reviewed the current methods for the evaluation of the immunoprotection status of a specific population (endogenous antibodies) before and after vaccine inoculation (administered with biopharmaceutical antibody products). The present knowledge of the immunoprotection status regarding the COVID-19 complications was also discussed. Knowledge on the immunoprotection status of specific populations can help guide the design of pharmaceutical antibody products, inform practice guidelines, and develop national regulations with respect to the timing of and need for extra rounds of vaccine boosters.
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Affiliation(s)
- Congshan Jiang
- National Regional Children's Medical Center (Northwest), Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Xi'an Key Laboratory of Children's Health and Diseases, Shaanxi Institute for Pediatric Diseases, Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, Xi'an, 710003, China
| | - Kaichong Jiang
- National Regional Children's Medical Center (Northwest), Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Xi'an Key Laboratory of Children's Health and Diseases, Shaanxi Institute for Pediatric Diseases, Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, Xi'an, 710003, China
| | - Xiaowei Li
- National Joint Engineering Research Center of Biodiagnostics and Biotherapy, Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710004, China
| | - Ning Zhang
- National Joint Engineering Research Center of Biodiagnostics and Biotherapy, Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710004, China
| | - Wenhua Zhu
- Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Xi'an, 710061, China,Institute of Molecular and Translational Medicine (IMTM), and Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Liesu Meng
- Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Xi'an, 710061, China,Institute of Molecular and Translational Medicine (IMTM), and Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Yanmin Zhang
- National Regional Children's Medical Center (Northwest), Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Xi'an Key Laboratory of Children's Health and Diseases, Shaanxi Institute for Pediatric Diseases, Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, Xi'an, 710003, China,Corresponding author.
| | - Shemin Lu
- National Regional Children's Medical Center (Northwest), Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Xi'an Key Laboratory of Children's Health and Diseases, Shaanxi Institute for Pediatric Diseases, Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, Xi'an, 710003, China,Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Xi'an, 710061, China,Corresponding author. National Regional Children's Medical Center (Northwest), Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Xi'an Key Laboratory of Children's Health and Diseases, Shaanxi Institute for Pediatric Diseases, Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, Xi'an, 710003, China.
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The humoral immune response more than one year after SARS-CoV-2 infection: low detection rate of anti-nucleocapsid antibodies via Euroimmun ELISA. Infection 2023; 51:83-90. [PMID: 35648370 PMCID: PMC9159036 DOI: 10.1007/s15010-022-01830-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 04/06/2022] [Indexed: 01/31/2023]
Abstract
PURPOSE Antibody assays against SARS-CoV-2 are used in sero-epidemiological studies to estimate the proportion of a population with past infection. IgG antibodies against the spike protein (S-IgG) allow no distinction between infection and vaccination. We evaluated the role of anti-nucleocapsid-IgG (N-IgG) to identify individuals with infection more than one year past infection. METHODS S- and N-IgG were determined using the Euroimmun enzyme-linked immunosorbent assay (ELISA) in two groups: a randomly selected sample from the population of Stuttgart, Germany, and individuals with PCR-proven SARS-CoV-2 infection. Participants were five years or older. Demographics and comorbidities were registered from participants above 17 years. RESULTS Between June 15, 2021 and July 14, 2021, 454 individuals from the random sample participated, as well as 217 individuals with past SARS-CoV-2 infection. Mean time from positive PCR test result to antibody testing was 458.7 days (standard deviation 14.6 days) in the past infection group. In unvaccinated individuals, the seroconversion rate for S-IgG was 25.5% in the random sample and 75% in the past infection group (P = < 0.001). In vaccinated individuals, the mean signal ratios for S-IgG were higher in individuals with prior infection (6.9 vs 11.2; P = < 0.001). N-IgG were only detectable in 17.1% of participants with past infection. Predictors for detectable N-IgG were older age, male sex, fever, wheezing and in-hospital treatment for COVID-19 and cardiovascular comorbidities. CONCLUSION N-IgG is not a reliable marker for SARS-CoV-2 infection after more than one year. In future, other diagnostic tests are needed to identify individuals with past natural infection.
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Fish CS, Owiti P, Begnel ER, Itell HL, Ojee E, Adhiambo J, Ogweno V, Holland LA, Richardson BA, Khan AK, Maqsood R, Gantt S, Lim ES, Slyker J, Kinuthia J, Overbaugh J, Wamalwa D, Lehman DA, Chohan BH. Comparison of nucleocapsid and spike antibody ELISAs for determining SARS-CoV-2 seropositivity in Kenyan women and infants. J Med Virol 2023; 95:e28221. [PMID: 36251533 PMCID: PMC9839577 DOI: 10.1002/jmv.28221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/23/2022] [Accepted: 10/03/2022] [Indexed: 01/29/2023]
Abstract
A multitude of enzyme-linked immunosorbent assays (ELISAs) has been developed to detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies since the coronavirus disease 2019 pandemic started in late 2019. Assessing the reliability of these assays in diverse global populations is critical. This study compares the use of the commercially available Platelia Total Ab Assay (Bio-Rad) nucleocapsid ELISA to the widely used Mount Sinai spike IgG ELISA in a Kenyan population seroprevalence study. Using longitudinal plasma specimens collected from a mother-infant cohort living in Nairobi, Kenya between May 2019 and December 2020, this study demonstrates that the two assays have a high qualitative agreement (92.7%) and strong correlation of antibody levels (R2 = 0.973) in repeated measures. Within this cohort, seroprevalence detected by either ELISA closely resembled previously published seroprevalence estimates for Kenya during the sampling period and no significant difference in the incidence of SARS-CoV-2 antibody detection by either assay was observed. Assay comparability was not affected by HIV exposure status. These data support the use of the Platelia SARS-CoV-2 Total Ab ELISA as a suitable high-throughput method for seroprevalence studies in Kenya.
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Affiliation(s)
- Carolyn S. Fish
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleWashingtonUSA
| | - Prestone Owiti
- Department of Paediatrics and Child HealthUniversity of NairobiNairobiKenya
| | - Emily R. Begnel
- Department of Global Health, Hans Rosling CenterUniversity of WashingtonSeattleWashingtonUSA
| | - Hannah L. Itell
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleWashingtonUSA,Molecular and Cellular Biology Graduate ProgramUniversity of Washington and Fred Hutchinson Cancer CenterSeattleWashingtonUSA
| | - Ednah Ojee
- Department of Paediatrics and Child HealthUniversity of NairobiNairobiKenya
| | - Judith Adhiambo
- Department of Paediatrics and Child HealthUniversity of NairobiNairobiKenya
| | - Vincent Ogweno
- Department of Paediatrics and Child HealthUniversity of NairobiNairobiKenya
| | - LaRinda A. Holland
- Center for Fundamental and Applied Microbiomics, Biodesign InstituteArizona State UniversityTempeArizonaUSA
| | - Barbra A. Richardson
- Department of Global Health, Hans Rosling CenterUniversity of WashingtonSeattleWashingtonUSA,Department of BiostatisticsUniversity of WashingtonSeattleWashingtonUSA
| | - Adam K. Khan
- School of Life SciencesArizona State UniversityTempeArizonaUSA
| | - Rabia Maqsood
- Center for Fundamental and Applied Microbiomics, Biodesign InstituteArizona State UniversityTempeArizonaUSA
| | - Soren Gantt
- Département de Microbiologie, Infectiologie et Immunologie, Centre de Recherche du CHU St‐JustineUniversité de MontréalMontréalQuébecCanada
| | - Efrem S. Lim
- Center for Fundamental and Applied Microbiomics, Biodesign InstituteArizona State UniversityTempeArizonaUSA,School of Life SciencesArizona State UniversityTempeArizonaUSA
| | - Jennifer Slyker
- Department of Global Health, Hans Rosling CenterUniversity of WashingtonSeattleWashingtonUSA,Department of EpidemiologyUniversity of WashingtonSeattleWashingtonUSA
| | - John Kinuthia
- Department of Global Health, Hans Rosling CenterUniversity of WashingtonSeattleWashingtonUSA,Department of Research and Programs, Kenyatta National HospitalNairobiKenya
| | - Julie Overbaugh
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleWashingtonUSA,Division of Public Health SciencesFred Hutchinson Cancer CenterSeattleWashingtonUSA
| | - Dalton Wamalwa
- Department of Paediatrics and Child HealthUniversity of NairobiNairobiKenya,Department of Global Health, Hans Rosling CenterUniversity of WashingtonSeattleWashingtonUSA
| | - Dara A. Lehman
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleWashingtonUSA,Department of Global Health, Hans Rosling CenterUniversity of WashingtonSeattleWashingtonUSA
| | - Bhavna H. Chohan
- Department of Global Health, Hans Rosling CenterUniversity of WashingtonSeattleWashingtonUSA,Kenya Medical Research InstituteNairobiKenya
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Neutralizing Antibody Responses Among Residents and Staff of Long-Term Care Facilities in the State of New Jersey During the First Wave of the COVID-19 Pandemic. J Community Health 2023; 48:50-58. [PMID: 36197535 PMCID: PMC9532818 DOI: 10.1007/s10900-022-01142-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/10/2022] [Indexed: 10/24/2022]
Abstract
Expanding a previous study of the immune response to SARS-CoV-2 in 10 New Jersey long-term care facilities (LTCFs) during the first wave of the pandemic, this study characterized the neutralizing antibody (NAb) response to infection and vaccination among residents and staff. Sera from the original study were tested using the semi-quantitative enzyme-linked immunosorbent cPass neutralization-antibody detection assay. Almost all residents (97.8%) and staff (98.1%) who were positive for IgG S antibody to the spike protein were positive for NAb. In non-vaccinated subjects with a history of infection (positive polymerase chain reaction (PCR) or antigen test), the distribution of mean intervals from infection to serology date was not significantly different for S antibody positives versus negatives. More than 80% of both were positive at 10 months. Similarly, the mean NAb titer for residents and staff was not associated with interval from PCR/antigen positive to serology date, F = 0.1.01, Pr > F = 0.4269 and F = 0.77, Pr > F = 0.6548 respectively. Titers remained high as the interval reached 10 months. In vaccinees who had no history of infection, the NAb titer was near the test maximum when the serum was drawn seven or more days after the second vaccine dose. In staff the mean NAb titer increased significantly as the vaccine number increased from one to two doses, F = 11.69, Pr > F < 0.0001. NAb titers to SARS-CoV-2 in residents and staff of LTCFs were consistently high 10 months after infection and after two doses of vaccine. Ongoing study is needed to determine whether this antibody provides protection as the virus continues to mutate.
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Geldof J, Truyens M, Sabino J, Ferrante M, Lambert J, Lapeere H, Hillary T, Van Laethem A, de Vlam K, Verschueren P, Padalko E, Lobaton T, Vermeire S. SARS-CoV-2 infection and COVID19 vaccination across eight immune-mediated inflammatory disorders: A prospective, real-life Belgian cohort study - the BELCOMID study. Front Immunol 2023; 14:1126351. [PMID: 36936974 PMCID: PMC10014825 DOI: 10.3389/fimmu.2023.1126351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 02/20/2023] [Indexed: 03/05/2023] Open
Abstract
Background The risks and impact of COVID19 disease and vaccination in patients with Immune Mediated Inflammatory Diseases (IMID) remain incompletely understood. IMID patients and particularly patients receiving immunosuppressive treatment were excluded from the original, registrational phase-3 COVID19 vaccination efficacy and safety trials. Real-world observational data can help to fill this gap in knowledge. The BELCOMID study aims to explore the interaction between IMIDs, immune-modulating treatment modalities and SARS-CoV-2 infection and vaccination in a real-life patient cohort. Methods A multidisciplinary, prospective, observational cohort study was set up. Consecutive patients with IMIDs of the gut, joints and skin followed at two high-volume referral centers were invited. Both patients under conventional treatment or targeted immune modulating therapies were included. Patient data and serological samples were collected at 3 predefined periods (before COVID19 vaccination, before booster vaccination, after booster vaccination). Primary endpoints were positive PCR-test and SARS-CoV-2 serology reflecting previous SARS-CoV-2 infection or vaccination. Associations with IMID treatment modality and IMID disease activity were assessed. Results of the first two inclusion periods (before booster vaccination) are reported. Results At the first inclusion period data was assessed of 2165 IMID-patients before COVID19 vaccination. At the second inclusion period, data of 2065 patients was collected of whom 1547 had received complete baseline COVID19 vaccination and 222 were partially vaccinated. SARS-CoV-2 infection rate remained low in both groups. No significant increase in IMID flare-up rate was noted in patients with prior SARS-CoV-2 infection. Multiple logistic regression analyses did not show a significant influence of IMID-treatment modality or IMID activity on SARS-CoV-2 infection risk (based on PCR positivity or N-serology). Patients treated with conventional immunomodulators, systemic steroids, and patients on advanced therapies such as biologics or small molecules, had reduced S-antibody seroconversion. S-antibody response was also lower in patients without prior SARS-CoV-2 infection and in active smokers. A subset of patients (4.1%) had no S- nor N-antibody seroconversion following complete baseline vaccination. Conclusion The BELCOMID study results confirm the benign course of COVID19 infection and vaccination in a large real-life IMID-population. However, our results underscore the need for repeated vaccination and smoking cessation in patients with IMIDs treated with immune-modulating therapies or systemic steroids during the pandemic.
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Affiliation(s)
- Jeroen Geldof
- Ghent University Hospital, Department of Gastroenterology and Hepatology, Ghent, Belgium
- Ghent University, Department of Internal Medicine and Pediatrics, Ghent, Belgium
- *Correspondence: Jeroen Geldof,
| | - Marie Truyens
- Ghent University Hospital, Department of Gastroenterology and Hepatology, Ghent, Belgium
- Ghent University, Department of Internal Medicine and Pediatrics, Ghent, Belgium
| | - João Sabino
- University Hospitals Leuven, Department of Gastroenterology and Hepatology, Leuven, Belgium
- KU Leuven, Translational Research in Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), Leuven, Belgium
| | - Marc Ferrante
- University Hospitals Leuven, Department of Gastroenterology and Hepatology, Leuven, Belgium
- KU Leuven, Translational Research in Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), Leuven, Belgium
| | - Jo Lambert
- Ghent University Hospital, Department of Dermatology, Ghent, Belgium
| | - Hilde Lapeere
- Ghent University Hospital, Department of Dermatology, Ghent, Belgium
| | - Tom Hillary
- University Hospitals Leuven, Department of Dermatology, Leuven, Belgium
| | - An Van Laethem
- University Hospitals Leuven, Department of Dermatology, Leuven, Belgium
| | - Kurt de Vlam
- University Hospitals Leuven, Department of Rheumatology, Leuven, Belgium
| | | | - Elizaveta Padalko
- Ghent University Hospital, Department of Laboratory Medicine, Ghent, Belgium
- Ghent University, Department of Diagnostic Sciences, Ghent, Belgium
| | - Triana Lobaton
- Ghent University Hospital, Department of Gastroenterology and Hepatology, Ghent, Belgium
- Ghent University, Department of Internal Medicine and Pediatrics, Ghent, Belgium
| | - Séverine Vermeire
- University Hospitals Leuven, Department of Gastroenterology and Hepatology, Leuven, Belgium
- KU Leuven, Translational Research in Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), Leuven, Belgium
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Abou-Saleh H, Abo-Halawa BY, Younes S, Younes N, Al-Sadeq DW, Shurrab FM, Liu N, Qotba H, Al-Dewik N, Ismail A, Yassine HM, Abu-Raddad LJ, Nasrallah GK. Neutralizing antibodies against SARS-CoV-2 are higher but decline faster in mRNA vaccinees compared to individuals with natural infection. J Travel Med 2022; 29:6808421. [PMID: 36342115 PMCID: PMC9793397 DOI: 10.1093/jtm/taac130] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 11/09/2022]
Abstract
BACKGROUND Waning protection against emerging SARS-CoV-2 variants by pre-existing antibodies elicited because of current vaccination or natural infection is a global concern. Whether this is due to the waning of immunity to SARS-COV-2 remains unclear. AIM We aimed to investigate the dynamics of antibody isotype responses amongst vaccinated naïve (VN) and naturally infected (NI) individuals. METHODS We followed up antibody levels in COVID-19 messenger RNA (mRNA)-vaccinated subjects without prior infection (VN, n = 100) in two phases: phase-I (P-I) at ~ 1.4 and phase-II (P-II) at ~ 5.3 months. Antibody levels were compared with those of unvaccinated and naturally infected subjects (NI, n = 40) at ~ 1.7 (P-1) and 5.2 (P-II) months post-infection. Neutralizing antibodies (NTAb), anti-S-RBD-IgG, -IgM and anti-S-IgA isotypes were measured. RESULTS The VN group elicited significantly greater antibody responses (P < 0.001) than the NI group at P-I, except for IgM. In the VN group, a significant waning in antibody response was observed in all isotypes. There was about an ~ 4-fold decline in NTAb levels (P < 0.001), anti-S-RBD-IgG (~5-fold, P < 0.001), anti-S-RBD-IgM (~6-fold, P < 0.001) and anti-S1-IgA (2-fold, P < 0.001). In the NI group, a significant but less steady decline was notable in S-RBD-IgM (~2-fold, P < 0.001), and a much smaller but significant difference in NTAb (<2-fold, P < 0.001) anti-S-RBD IgG (<2-fold, P = 0.005). Unlike the VN group, the NI group mounted a lasting anti-S1-IgA response with no significant decline. Anti-S1-IgA, which were ~ 3-fold higher in VN subjects compared with NI in P-1 (P < 0.001), dropped to almost the same levels, with no significant difference observed between the two groups in P-II. CONCLUSION Whereas double-dose mRNA vaccination boosted antibody levels, vaccinated individuals' 'boost' was relatively short-lived.
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Affiliation(s)
- Haissam Abou-Saleh
- Biological Science Program, Department of Biological and Environmental Sciences, College of Arts and Science, Qatar University, Doha, Qatar.,Biomedical Research Center, Qatar University, Doha, Qatar
| | - Bushra Y Abo-Halawa
- Biological Science Program, Department of Biological and Environmental Sciences, College of Arts and Science, Qatar University, Doha, Qatar
| | - Salma Younes
- Biomedical Research Center, Qatar University, Doha, Qatar
| | - Nadin Younes
- Biomedical Research Center, Qatar University, Doha, Qatar
| | - Duaa W Al-Sadeq
- Biomedical Research Center, Qatar University, Doha, Qatar.,College of Medicine, Q.U. Health, Qatar University, Doha, Qatar
| | | | - Na Liu
- Shenzhen Mindray Bio-Medical Electronics Co., Ltd, Shenzhen, China
| | - Hamda Qotba
- Department of Clinical Research, Primary Health Care Centers, Doha, Qatar
| | - Nader Al-Dewik
- Department of Pediatrics, Clinical and Metabolic Genetics, Hamad Medical Corporation, Doha, Qatar
| | - Ahmed Ismail
- Laboratory Section, Medical Commission Department, Ministry of Public Health, Doha, Qatar
| | - Hadi M Yassine
- Biomedical Research Center, Qatar University, Doha, Qatar.,Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, Doha, Qatar
| | - Laith J Abu-Raddad
- Infectious Disease Epidemiology Group, Weill Cornell Medicine - Qatar, Cornell University, Qatar Foundation - Education City, Doha, Qatar.,World Health Organization Collaborating Centre for Disease Epidemiology Analytics on HIV/AIDS, Sexually Transmitted Infections, and Viral Hepatitis, Weill Cornell Medicine - Qatar, Cornell University, Qatar Foundation - Education City, Doha, Qatar.,Department of Healthcare Policy and Research, Weill Cornell Medicine, Cornell University, New York, USA
| | - Gheyath K Nasrallah
- Biomedical Research Center, Qatar University, Doha, Qatar.,Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, Doha, Qatar
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Jonczyk R, Stanislawski N, Seiler LK, Ahani S, Bueltemeier A, Stahl F, Beutel S, Blume H, Hauß C, Melk A, Paulsen M, Stiesch M, Winkel A, Pott PC, Saletti G, González-Hernández M, Kaiser FK, Rimmelzwaan GF, Osterhaus AD, Blume C. Comparison of two antibody screening systems for SARS-CoV-2 antibody detection in recovered and vaccinated subjects - test performance and possible indicators for immunity. J Clin Virol 2022; 157:105322. [PMID: 36279696 PMCID: PMC9576262 DOI: 10.1016/j.jcv.2022.105322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 10/11/2022] [Accepted: 10/15/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Detection of seroconversion after SARS-CoV-2-infection or vaccination is relevant to discover subclinical cases and recognize patients with a possible immunity. OBJECTIVES Test performance, effects of age, time-point of seroconversion and immune status regarding neutralizing antibodies (NAbs) and T-cell-reactivity were investigated. STUDY DESIGN Two antibody assays (Viramed-Test for S/N-specific IgG, Roche-Test for N-specific IgA, -M, -G) were evaluated with classified samples. In total, 381 subjects aged 6-99 years, who had either recovered from the disease or had been vaccinated, were screened for SARS-CoV-2-specific antibodies. This screening was part of an open observational study with working adults. Additionally, children and adults were analyzed in a longitudinal COVID-19 study in schools. For immunity evaluation, virus neutralization tests and ELISpot tests were performed in a subgroup of subjects. RESULTS Viramed revealed a slightly lower test performance than Roche, but test quality was equally well in samples from very young or very old donors. The time-point of seroconversion after the respective immunization detected by the two tests was not significantly different. N-specific antibodies, detected with Roche, highly correlated with NAbs in recovered subjects, whereas a positive Viramed-Test result was paralleled by a positive ELISpot result. CONCLUSION Viramed-Test was not as sensitive as Roche-Test, but highly specific and beneficial to distinguish between recovered and vaccinated status. For both tests correlations with humoral and cellular immunity were found. Of note, the expected early detection of IgA and IgM by the Roche-Test did not prove to be an advantage over IgG testing by Viramed.
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Affiliation(s)
- Rebecca Jonczyk
- Institute of Technical Chemistry, Leibniz University Hannover, Germany
| | - Nils Stanislawski
- Institute of Microelectronic Systems, Architectures and Systems Group, Leibniz University Hannover, Germany
| | - Lisa K. Seiler
- Institute of Technical Chemistry, Leibniz University Hannover, Germany
| | - Somayeh Ahani
- Institute of Technical Chemistry, Leibniz University Hannover, Germany
| | - Arne Bueltemeier
- Institute of Technical Chemistry, Leibniz University Hannover, Germany
| | - Frank Stahl
- Institute of Technical Chemistry, Leibniz University Hannover, Germany
| | - Sascha Beutel
- Institute of Technical Chemistry, Leibniz University Hannover, Germany
| | - Holger Blume
- Institute of Microelectronic Systems, Architectures and Systems Group, Leibniz University Hannover, Germany
| | | | - Anette Melk
- Department of Pediatric Kidney, Liver, and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Mira Paulsen
- Department of Pediatric Kidney, Liver, and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Meike Stiesch
- Clinic for Dental Prosthetics and Biomedical Materials Science, Hannover Medical School, Hannover, Germany
| | - Andreas Winkel
- Clinic for Dental Prosthetics and Biomedical Materials Science, Hannover Medical School, Hannover, Germany
| | - Philipp-Cornelius Pott
- Clinic for Dental Prosthetics and Biomedical Materials Science, Hannover Medical School, Hannover, Germany
| | - Giulietta Saletti
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Foundation, Hannover, Germany
| | - Mariana González-Hernández
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Foundation, Hannover, Germany
| | - Franziska Karola Kaiser
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Foundation, Hannover, Germany
| | - Guus F. Rimmelzwaan
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Foundation, Hannover, Germany
| | - Albert D.M.E. Osterhaus
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Foundation, Hannover, Germany
| | - Cornelia Blume
- Institute of Technical Chemistry, Leibniz University Hannover, Germany,Corresponding author
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Sawry S, Le Roux J, Wolter N, Mbatha P, Bhiman J, Balkus J, von Gottberg A, Cohen C, Chersich M, Kekana M, Ndlovu T, Shipalana A, Mthimunye W, Patel F, Gous H, Walaza S, Tempia S, Rees H, Fairlie L. High prevalence of SARS-CoV-2 antibodies in pregnant women after the second wave of infections in the inner-city of Johannesburg, Gauteng Province, South Africa. Int J Infect Dis 2022; 125:241-249. [PMID: 36347458 PMCID: PMC9637015 DOI: 10.1016/j.ijid.2022.10.036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 09/15/2022] [Accepted: 10/25/2022] [Indexed: 11/08/2022] Open
Abstract
OBJECTIVES After South Africa's second wave of COVID-19, this study estimated the SARS-CoV-2 seroprevalence among pregnant women in inner-city Johannesburg, South Africa. METHODS In this cross-sectional survey, 500 pregnant women who were non-COVID-19-vaccinated (aged ≥12 years) were enrolled, and demographic and clinical data were collected. Serum samples were tested using the Wantai SARS-CoV-2 spike antibody enzyme-linked immunosorbent assay and Roche Elecsys® anti-SARS-CoV-2 nucleocapsid antibody assays. Seropositivity was defined as SARS-CoV-2 antibodies on either (primary) or both (secondary) assays. Univariate Poisson regression assessed risk factors associated with seropositivity. RESULTS The median age was 27.4 years, and HIV prevalence was 26.7%. SARS-CoV-2 seroprevalence was 64.0% (95% confidence interval [CI]: 59.6-68.2%) on the primary and 54% (95% CI: 49.5-58.4%) on the secondary measure. Most (96.6%) women who were SARS-CoV-2-seropositive reported no symptoms. On the Roche assay, we detected lower seroprevalence among women living with HIV than women without HIV (48.9% vs 61.7%, P-value = 0.018), and especially low levels among women living with HIV with a clusters of differentiation 4 <350 cells/ml compared with women without immune suppression (22.2% vs 56.4%, prevalence rate ratio = 0.4; 95% CI: 0.2-0.9; P-value = 0.046). CONCLUSION Pregnant women attending routine antenatal care had a high SARS-CoV-2 seroprevalence after the second wave in South Africa, and most had asymptomatic infections. Seroprevalence surveys in pregnant women present a feasible method of monitoring the course of the pandemic over time.
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Affiliation(s)
- Shobna Sawry
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa,Corresponding author: Shobna Sawry, 22 Esselen Street, Hillbrow, Johannesburg, 2001
| | - Jean Le Roux
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Nicole Wolter
- Centre for Respiratory Diseases and Meningitis, National Institute for Communicable Diseases, a division of the National Health Laboratory Service, Johannesburg, South Africa,School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Philile Mbatha
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Jinal Bhiman
- Centre for Respiratory Diseases and Meningitis, National Institute for Communicable Diseases, a division of the National Health Laboratory Service, Johannesburg, South Africa,School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Jennifer Balkus
- Department of Epidemiology, University of Washington School of Public Health, Seattle, United States of America
| | - Anne von Gottberg
- Centre for Respiratory Diseases and Meningitis, National Institute for Communicable Diseases, a division of the National Health Laboratory Service, Johannesburg, South Africa,School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa,Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Cheryl Cohen
- Centre for Respiratory Diseases and Meningitis, National Institute for Communicable Diseases, a division of the National Health Laboratory Service, Johannesburg, South Africa,School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Matthew Chersich
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Malolo Kekana
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Thatcher Ndlovu
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Angela Shipalana
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Wendy Mthimunye
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Faeezah Patel
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Hermien Gous
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Sibongile Walaza
- Centre for Respiratory Diseases and Meningitis, National Institute for Communicable Diseases, a division of the National Health Laboratory Service, Johannesburg, South Africa,School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Stefano Tempia
- Centre for Respiratory Diseases and Meningitis, National Institute for Communicable Diseases, a division of the National Health Laboratory Service, Johannesburg, South Africa
| | - Helen Rees
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Lee Fairlie
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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Ward V, Wei J, Gordon W, Barnes E, Dunachie S, Jeffery K, Eyre D, O'Donnell AM. SARS-CoV-2 antibody responses post-vaccination in UK healthcare workers with pre-existing medical conditions: a cohort study. BMJ Open 2022; 12:e066766. [PMID: 36456004 PMCID: PMC9716410 DOI: 10.1136/bmjopen-2022-066766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
OBJECTIVES To examine antibody responses after the second vaccination in healthcare workers (HCWs) with underlying health conditions. DESIGN Cohort study. SETTING Oxford University Hospitals in the United Kingdom. PARTICIPANTS Healthcare workers who had SARS-CoV-2 serological data available and received two SARS-CoV- 2 vaccinations. PRIMARY OUTCOME Peak SARS-CoV-2 anti-spike IgG responses after the second vaccination and associations with underlying health conditions and the estimated risk of severe COVID-19 using an occupational health risk assessment tool. METHODS We used univariable and multivariable linear regression models to investigate associations between antibody levels and demographics (age, sex, ethnicity), healthcare role, body mass index, underlying health conditions, vaccination status, prior infection and the Association of Local Authority Medical Advisors COVID-age risk score. RESULTS 1635 HCWs had anti-spike IgG measurements 14-84 days after second vaccination and data on any underlying health conditions. Only five HCWs (0.3%), all on immunosuppressive treatment, (including four organ transplant recipients), did not seroconvert after second vaccination. Antibody levels were independently lower with older age, diabetes, immunosuppression, respiratory disorders other than asthma and markedly so in organ transplant recipients. Levels were independently lower in ChAdOx1 versus BNT162b2 recipients and higher following previous infection. HCWs with 'very high' COVID-age risk scores had lower median antibody levels than those with 'low', 'medium' or 'high' risk scores; 4379 AU/mL, compared with 12 337 AU/mL, 9430 AU/mL and 10 524 AU/mL, respectively. CONCLUSIONS Two vaccine doses are effective in generating antibody responses among HCWs, including those with a high occupational risk. However, HCWs with underlying health conditions, especially diabetes, immunosuppression and organ transplant, had lower antibody levels, and vaccine response monitoring may be needed.
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Affiliation(s)
- Victoria Ward
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Department of Medical Microbiology and Infectious Diseases, Oxford University Hospitals, Oxford, UK
| | - Jia Wei
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Big Data Institute, University of Oxford, Oxford, UK
| | - William Gordon
- Department of Medical Microbiology and Infectious Diseases, Oxford University Hospitals, Oxford, UK
| | - Eleanor Barnes
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Department of Medical Microbiology and Infectious Diseases, Oxford University Hospitals, Oxford, UK
| | - Susie Dunachie
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Department of Medical Microbiology and Infectious Diseases, Oxford University Hospitals, Oxford, UK
| | - Katie Jeffery
- Department of Medical Microbiology and Infectious Diseases, Oxford University Hospitals, Oxford, UK
- Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - David Eyre
- Department of Medical Microbiology and Infectious Diseases, Oxford University Hospitals, Oxford, UK
- Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Anne-Marie O'Donnell
- Nuffield Department of Population Health, University of Oxford, Oxford, UK
- Occupational Health Department, Oxford Health NHS Foundation Trust, Oxford, UK
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Demir M, Çalışkan A, Kaleli İ, Dönmez B, Er H, Ergin Ç. Monitoring SARS CoV-2 antibodies positivity in healthcare workers after inactivated CoronaVac ® vaccine. Germs 2022; 12:507-518. [PMID: 38021180 PMCID: PMC10660217 DOI: 10.18683/germs.2022.1356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 10/26/2022] [Accepted: 12/31/2022] [Indexed: 12/01/2023]
Abstract
Introduction In this study, we aimed to monitor anti-spike and anti-nucleocapsid antibodies positivity in healthcare workers (HCWs) vaccinated with two doses of inactivated CoronaVac® (Sinovac, China) vaccine. Methods Overall, 242 volunteer HCWs were included. Of the participants, 193 were HCWs without history of prior documented COVID-19 (Group 1), while 49 had history of prior documented COVID-19 before vaccination (Group 2). The participants were followed up for SARS-CoV-2 antibodies positivity at four different blood sampling time points (immediately before the second vaccine dose and at the 1st, 3rd months and 141-150 days after the second dose). We investigated the serum IgG class antibodies against SARS-CoV-2 RBD region and IgG class antibodies against SARS-CoV-2 nucleocapsid antigen by chemiluminescent microparticle immunoassay (CMIA) method using commercial kits. Results We found positive serum anti-RBD IgG antibody in 76.4% of the participants (71% in Group 1; 98% in Group 2) 28 days after the first dose. When the antibody levels of the groups were compared at the four blood sampling time points, Group 2 anti-RBD IgG levels were found to be significantly higher than those in Group 1 at all follow-up time points. Although anti-RBD IgG positivity persisted in 95.6% of all participants in the last blood sampling time point, a significant decrease was observed in antibody levels compared to the previous blood sampling time point. Anti-nucleocapsid IgG antibody was positive in 12 (6.2%) of participants in Group 1 and 32 (65.3%) in Group 2 at day 28 after the first dose. At the fourth blood sampling time point, anti-nucleocapsid antibodies were found to be positive in a total of 20 (9.7%) subjects, 10 (6.1%) in Group 1 and 10 (23.8%) in Group 2. Conclusions In this study, it was determined that serum antibody levels decreased in both groups after the third month after the second dose in HCWs vaccinated with CoronaVac® vaccine.
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Affiliation(s)
- Melek Demir
- MD, PhD, Pamukkale University, Medical Faculty, Department of Medical Microbiology, Denizli, 20070, Turkey
| | - Ahmet Çalışkan
- MD, Pamukkale University, Medical Faculty, Department of Medical Microbiology, Denizli, 20070, Turkey
| | - İlknur Kaleli
- MD, Pamukkale University, Medical Faculty, Department of Medical Microbiology, Denizli, 20070, Turkey
| | - Büşra Dönmez
- MD, Pamukkale University, Medical Faculty, Department of Medical Microbiology, Denizli, 20070, Turkey
| | - Hatice Er
- MD, Pamukkale University, Medical Faculty, Department of Medical Microbiology, Denizli, 20070, Turkey
| | - Çağrı Ergin
- MD, Pamukkale University, Medical Faculty, Department of Medical Microbiology, Denizli, 20070, Turkey
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Decarreaux D, Sevila J, Masse S, Capai L, Fourié T, Villarroel PMS, Amroun A, Nurtop E, Vareille M, Blanchon T, de Lamballerie X, Charrel R, Falchi A. Eight Months of Serological Follow-Up of Anti-SARS-CoV-2 Antibodies in France: A Study among an Adult Population. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:15257. [PMID: 36429974 PMCID: PMC9691066 DOI: 10.3390/ijerph192215257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/10/2022] [Accepted: 11/14/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Uncertainties remain regarding the nature and durability of the humoral immune response to severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). AIM This study investigated immunoglobulin G response and neutralizing activity to evaluate the mean antibody concentrations and response duration induced by each vaccination regimen in a French adult population. METHODS A study including blood sampling and questionnaires was carried out from November 2020 to July 2021 with three separate follow-up phases. Spike proteins and neutralizing antibodies were quantified using ELISA and a virus-neutralization test. RESULTS Overall, 295 participants were included. Seroprevalences were 11.5% (n = 34), 10.5% (n = 31), and 68.1% (n = 201) in phases 1, 2, and 3, respectively. Importantly, 5.8% (n = 17) of participants lost their natural antibodies. Antibody response of participants with only a prior infection was 88.2 BAU/mL, significantly lower than those vaccinated, which was 1909.3 BAU/mL (p = 0.04). Moreover, the antibody response of vaccinated participants with a prior infection was higher (3593.8 BAU/mL) than those vaccinated without prior infection (3402.9 BAU/mL) (p = 0.78). Vaccinated participants with or without prior infection had a higher seroneutralization rate (91.0%) than those unvaccinated with prior infection (65.0%). CONCLUSION These results demonstrated that single infection does not confer effective protection against SARS-CoV-2.
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Affiliation(s)
- Dorine Decarreaux
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
- INSERM, Sorbonne Université, Institut Pierre Louis d’Epidémiologie et de Santé Publique, IPLESP, 75012 Paris, France
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Julie Sevila
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
| | - Shirley Masse
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
| | - Lisandru Capai
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
| | - Toscane Fourié
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Paola Mariela Saba Villarroel
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Abdennour Amroun
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Elif Nurtop
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Matthieu Vareille
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
| | - Thierry Blanchon
- INSERM, Sorbonne Université, Institut Pierre Louis d’Epidémiologie et de Santé Publique, IPLESP, 75012 Paris, France
| | - Xavier de Lamballerie
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Remi Charrel
- Unité des Virus émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France
| | - Alessandra Falchi
- Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
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Skewed fate and hematopoiesis of CD34 + HSPCs in umbilical cord blood amid the COVID-19 pandemic. iScience 2022; 25:105544. [PMID: 36406860 PMCID: PMC9650991 DOI: 10.1016/j.isci.2022.105544] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 08/11/2022] [Accepted: 11/04/2022] [Indexed: 11/13/2022] Open
Abstract
Umbilical cord blood (UCB) is an irreplaceable source for hematopoietic stem progenitor cells (HSPCs). However, the effects of SARS-CoV-2 infection and COVID-19 vaccination on UCB phenotype, specifically the HSPCs therein, are currently unknown. We thus evaluated any effects of SARS-CoV-2 infection and/or COVID-19 vaccination from the mother on the fate and functionalities of HSPCs in the UCB. The numbers and frequencies of HSPCs in the UCB decreased significantly in donors with previous SARS-CoV-2 infection and more so with COVID-19 vaccination via the induction of apoptosis, likely mediated by IFN-γ-dependent pathways. Two independent hematopoiesis assays, a colony forming unit assay and a mouse humanization assay, revealed skewed hematopoiesis of HSPCs obtained from donors delivered from mothers with SARS-CoV-2 infection history. These results indicate that SARS-CoV-2 infection and COVID-19 vaccination impair the functionalities and survivability of HSPCs in the UCB, which would make unprecedented concerns on the future of HSPC-based therapies.
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Anzinger JJ, Cameron-McDermott SM, Phillips YZR, Mendoza L, Anderson M, Cloherty G, Strachan-Johnson S, Lindo JF, Figueroa JP. Prevalence of SARS-CoV-2 antibodies after the Omicron surge, Kingston, Jamaica, 2022. JOURNAL OF CLINICAL VIROLOGY PLUS 2022; 2:100124. [PMID: 36415687 PMCID: PMC9671617 DOI: 10.1016/j.jcvp.2022.100124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/13/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022] Open
Abstract
A cross-sectional SARS-CoV-2 serosurvey was conducted after the Omicron surge in Jamaica using 1,540 samples collected during March - May 2022 from persons attending antenatal, STI and non-communicable diseases clinics in Kingston, Jamaica. SARS-CoV-2 spike receptor binding domain (RBD) and/or nucleocapsid IgG antibodies were detected for 88.4% of the study population, with 77.0% showing evidence of previous SARS-CoV-2 infection. Of persons previously infected with SARS-CoV-2 and/or with COVID-19 vaccination, 9.6% were negative for spike RBD IgG, most of which were unvaccinated previously infected persons. Amongst unvaccinated previously infected people, age was associated with testing spike RBD IgG negative. When considering all samples, median spike RBD IgG levels were 131.6 BAU/mL for unvaccinated persons with serological evidence of past infection, 90.3 BAU/mL for vaccinated persons without serological evidence of past infection, and 896.1 BAU/mL for vaccinated persons with serological evidence of past infection. Our study of the first reported SARS-CoV-2 serosurvey in Jamaica shows extensive SARS-CoV-2 population immunity, identifies a substantial portion of the population lacking spike RBD IgG, and provides additional evidence for increasing COVID-19 vaccine coverage in Jamaica.
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Affiliation(s)
- Joshua J Anzinger
- The University of the West Indies, Kingston, Jamaica
- The Global Virus Network Jamaica Affiliate, Kingston, Jamaica
- Abbott Pandemic Defense Coalition, The University of the West Indies, Mona, Jamaica
| | | | | | | | - Mark Anderson
- Abbott Laboratories, Infectious Disease Research, Abbott Park, IL, United States of America
- Abbott Pandemic Defense Coalition, Abbott Park, Illinois, United States of America
| | - Gavin Cloherty
- Abbott Laboratories, Infectious Disease Research, Abbott Park, IL, United States of America
- Abbott Pandemic Defense Coalition, Abbott Park, Illinois, United States of America
| | | | - John F Lindo
- The University of the West Indies, Kingston, Jamaica
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IgA quantification as a good predictor of the neutralizing antibodies levels after vaccination against SARS-CoV-2. JOURNAL OF CLINICAL VIROLOGY PLUS 2022; 2:100121. [PMID: 36349309 PMCID: PMC9635250 DOI: 10.1016/j.jcvp.2022.100121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/28/2022] [Accepted: 11/03/2022] [Indexed: 11/07/2022] Open
Abstract
Background Vaccination against COVID-19 was implemented very quickly, but the emergence of new variants that can evade the previous acquired immunological protection highlights the importance of understanding the mechanisms involved in the immune response generated after SARS-CoV-2 infection or vaccination. Objectives Since most of our knowledge on the humoral immunity generated against SARS-CoV-2 has been obtained from studies with infected patients before vaccination, our goal here was to evaluate seroconversion and its correlation with the titers of neutralizing antibodies (NAbs) in individuals who received the complete initial recommended vaccination schedule with three different vaccines. Study design We analyzed serum IgG, IgA and total NAbs against the trimeric SARS-CoV-2 Spike (S) protein or its receptor binding domain (RBD) in blood samples collected from 118 healthy individuals without known previous infection, before and after receiving the first and the second dose of CoronaVac (n = 18), ChAdOx-1 (n = 68) or BNT162b2 (n = 32) vaccines. Results We found that although IgG titers were high in all sera collected after the two doses of these vaccines, NAbs amounts varies among the groups. In contrast, serum NAbs concentrations were much more comparable to the IgA levels, indicating that these antibodies would have a major neutralizing capacity against SARS-CoV-2. Conclusions Altogether our data suggest that quantification of serum anti-S or anti-RBD IgA, rather than IgG, may be a valuable tool to screen NAbs and may be considered for surveillance of vaccine coverage.
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Coelho LE, Luz PM, Pires DC, Jalil EM, Perazzo H, Torres TS, Cardoso SW, Peixoto EM, Nazer S, Massad E, Silveira MF, Barros FC, Vasconcelos AT, Costa CA, Amancio RT, Villela DA, Pereira T, Goedert GT, Santos CV, Rodrigues NC, Grinsztejn B, Veloso VG, Struchiner CJ. Prevalence and predictors of anti-SARS-CoV-2 serology in a highly vulnerable population of Rio de Janeiro: A population-based serosurvey. THE LANCET REGIONAL HEALTH - AMERICAS 2022; 15:100338. [PMID: 35936224 PMCID: PMC9337985 DOI: 10.1016/j.lana.2022.100338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Background COVID-19 serosurveys allow for the monitoring of the level of SARS-CoV-2 transmission and support data-driven decisions. We estimated the seroprevalence of anti-SARS-CoV-2 antibodies in a large favela complex in Rio de Janeiro, Brazil. Methods A population-based panel study was conducted in Complexo de Manguinhos (16 favelas) with a probabilistic sampling of participants aged ≥1 year who were randomly selected from a census of individuals registered in primary health care clinics that serve the area. Participants answered a structured interview and provided blood samples for serology. Multilevel regression models (with random intercepts to account for participants’ favela of residence) were used to assess factors associated with having anti-S IgG antibodies. Secondary analyses estimated seroprevalence using an additional anti-N IgG assay. Findings 4,033 participants were included (from Sep/2020 to Feb/2021, 22 epidemic weeks), the median age was 39·8 years (IQR:21·8-57·7), 61% were female, 41% were mixed-race (Pardo) and 23% Black. Overall prevalence was 49·0% (95%CI:46·8%-51·2%) which varied across favelas (from 68·3% to 31·4%). Lower prevalence estimates were found when using the anti-N IgG assay. Odds of having anti-S IgG antibodies were highest for young adults, and those reporting larger household size, poor adherence to social distancing and use of public transportation. Interpretation We found a significantly higher prevalence of anti-S IgG antibodies than initially anticipated. Disparities in estimates obtained using different serological assays highlight the need for cautious interpretation of serosurveys estimates given the heterogeneity of exposure in communities, loss of immunological biomarkers, serological antigen target, and variant-specific test affinity. Funding Fundação Oswaldo Cruz, Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Fundação de Amparo a Pesquisa do Estado do Rio de Janeiro (FAPERJ), the European Union's Horizon 2020 research and innovation programme, Royal Society, Serrapilheira Institute, and FAPESP.
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50
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Ameratunga R, Woon ST, Steele R, Lehnert K, Leung E, Brooks AES. Critical role of diagnostic SARS-CoV-2 T cell assays for immunodeficient patients. J Clin Pathol 2022; 75:793-797. [PMID: 36216482 DOI: 10.1136/jcp-2022-208305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 09/08/2022] [Indexed: 11/04/2022]
Abstract
After almost 3 years of intense study, the immunological basis of COVID-19 is better understood. Patients who suffer severe disease have a chaotic, destructive immune response. Many patients with severe COVID-19 produce high titres of non-neutralising antibodies, which are unable to sterilise the infection. In contrast, there is increasing evidence that a rapid, balanced cellular immune response is required to eliminate the virus and mitigate disease severity. In the longer term, memory T cell responses, following infection or vaccination, play a critical role in protection against SARS-CoV-2.Given the pivotal role of cellular immunity in the response to COVID-19, diagnostic T cell assays for SARS-CoV-2 may be of particular value for immunodeficient patients. A diagnostic SARS-CoV-2 T cell assay would be of utility for immunocompromised patients who are unable to produce antibodies or have passively acquired antibodies from subcutaneous or intravenous immunoglobulin (SCIG/IVIG) replacement. In many antibody-deficient patients, cellular responses are preserved. SARS-CoV-2 T cell assays may identify breakthrough infections if reverse transcriptase quantitative PCR (RT-qPCR) or rapid antigen tests (RATs) are not undertaken during the window of viral shedding. In addition to utility in patients with immunodeficiency, memory T cell responses could also identify chronically symptomatic patients with long COVID-19 who were infected early in the pandemic. These individuals may have been infected before the availability of reliable RT-qPCR and RAT tests and their antibodies may have waned. T cell responses to SARS-CoV-2 have greater durability than antibodies and can also distinguish patients with infection from vaccinated individuals.
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Affiliation(s)
- Rohan Ameratunga
- Department of Virology and Immunology, Auckland City Hospital, Auckland, New Zealand .,Department of Clinical Immunology, Auckland City Hospital, Auckland, New Zealand
| | - See-Tarn Woon
- Department of Virology and Immunology, Auckland City Hospital, Auckland, New Zealand
| | - Richard Steele
- Department of Clinical Immunology, Wellington Hospital, Wellington, New Zealand
| | - Klaus Lehnert
- Centre for brain Research, University of Auckland, Auckland, New Zealand
| | - Euphemia Leung
- Cancer Research, Faculty of Medical and health Sciences, School of Medicine, University of Auckland, Auckland, New Zealand
| | - Anna E S Brooks
- School of Biological Sciences, The University of Auckland, Auckland, New Zealand
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