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Hayden MK, Hanson KE, Englund JA, Lee F, Lee MJ, Loeb M, Morgan DJ, Patel R, El Alayli A, El Mikati IK, Sultan S, Falck-Ytter Y, Mansour R, Amarin JZ, Morgan RL, Murad MH, Patel P, Bhimraj A, Mustafa RA. The Infectious Diseases Society of America Guidelines on the Diagnosis of COVID-19: Antigen Testing (January 2023). Clin Infect Dis 2024; 78:e350-e384. [PMID: 36702617 DOI: 10.1093/cid/ciad032] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 01/13/2023] [Indexed: 01/28/2023] Open
Abstract
Immunoassays designed to detect SARS-CoV-2 protein antigens (Ag) are commonly used to diagnose COVID-19. The most widely used tests are lateral flow assays that generate results in approximately 15 minutes for diagnosis at the point-of-care. Higher throughput, laboratory-based SARS-CoV-2 Ag assays have also been developed. The number of commercially available SARS-CoV-2 Ag detection tests has increased rapidly, as has the COVID-19 diagnostic literature. The Infectious Diseases Society of America (IDSA) convened an expert panel to perform a systematic review of the literature and develop best-practice guidance related to SARS-CoV-2 Ag testing. This guideline is an update to the third in a series of frequently updated COVID-19 diagnostic guidelines developed by the IDSA. IDSA's goal was to develop evidence-based recommendations or suggestions that assist clinicians, clinical laboratories, patients, public health authorities, administrators, and policymakers in decisions related to the optimal use of SARS-CoV-2 Ag tests in both medical and nonmedical settings. A multidisciplinary panel of infectious diseases clinicians, clinical microbiologists, and experts in systematic literature review identified and prioritized clinical questions related to the use of SARS-CoV-2 Ag tests. A review of relevant, peer-reviewed published literature was conducted through 1 April 2022. Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology was used to assess the certainty of evidence and make testing recommendations. The panel made 10 diagnostic recommendations that address Ag testing in symptomatic and asymptomatic individuals and assess single versus repeat testing strategies. US Food and Drug Administration (FDA) SARS-CoV-2 Ag tests with Emergency Use Authorization (EUA) have high specificity and low to moderate sensitivity compared with nucleic acid amplification testing (NAAT). Ag test sensitivity is dependent on the presence or absence of symptoms and, in symptomatic patients, on timing of testing after symptom onset. In most cases, positive Ag results can be acted upon without confirmation. Results of point-of-care testing are comparable to those of laboratory-based testing, and observed or unobserved self-collection of specimens for testing yields similar results. Modeling suggests that repeat Ag testing increases sensitivity compared with testing once, but no empirical data were available to inform this question. Based on these observations, rapid RT-PCR or laboratory-based NAAT remain the testing methods of choice for diagnosing SARS-CoV-2 infection. However, when timely molecular testing is not readily available or is logistically infeasible, Ag testing helps identify individuals with SARS-CoV-2 infection. Data were insufficient to make a recommendation about the utility of Ag testing to guide release of patients with COVID-19 from isolation. The overall quality of available evidence supporting use of Ag testing was graded as very low to moderate.
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Affiliation(s)
- Mary K Hayden
- Division of Infectious Diseases, Department of Internal Medicine, Rush University Medical Center, Chicago, Illinois, USA
- Department of Pathology, Rush University Medical Center, Chicago, Illinois, USA
| | - Kimberly E Hanson
- Divisions of Infectious Diseases and Clinical Microbiology, University of Utah, Salt Lake City, Utah, USA
| | - Janet A Englund
- Department of Pediatrics, University of Washington, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Francesca Lee
- Departments of Pathology and Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Mark J Lee
- Department of Pathology and Clinical Microbiology Laboratory, Duke University School of Medicine, Durham, North Carolina, USA
| | - Mark Loeb
- Division of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Daniel J Morgan
- Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Robin Patel
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, and the Division of Public Health, Infectious Diseases, and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Abdallah El Alayli
- Department of Internal Medicine, Saint Louis University, St Louis, Missouri, USA
| | - Ibrahim K El Mikati
- Outcomes and Implementation Research Unit, Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Shahnaz Sultan
- Division of Gastroenterology, Hepatology, and Nutrition, University of Minnesota, Minneapolis VA Healthcare System, Minneapolis, Minnesota, USA
| | - Yngve Falck-Ytter
- Department of Medicine, Case Western Reserve University, School of Medicine, Cleveland, Ohio, USA
- VA Northeast Ohio Healthcare System, Cleveland, Ohio, USA
| | - Razan Mansour
- Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Justin Z Amarin
- Division of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Rebecca L Morgan
- Department of Medicine, Case Western Reserve University, School of Medicine, Cleveland, Ohio, USA
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada
| | - M Hassan Murad
- Division of Public Health, Infectious diseases and occupational Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Payal Patel
- Department of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, Georgia, USA
| | - Adarsh Bhimraj
- Department of Infectious Diseases, Cleveland Clinic, Cleveland, Ohio, USA
| | - Reem A Mustafa
- Division of Nephrology and Hypertension, Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
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Smith-Jeffcoat SE, Mellis AM, Grijalva CG, Talbot HK, Schmitz J, Lutrick K, Ellingson KD, Stockwell MS, McLaren SH, Nguyen HQ, Rao S, Asturias EJ, Davis-Gardner ME, Suthar MS, Kirking HL. SARS-CoV-2 Viral Shedding and Rapid Antigen Test Performance - Respiratory Virus Transmission Network, November 2022-May 2023. MMWR. MORBIDITY AND MORTALITY WEEKLY REPORT 2024; 73:365-371. [PMID: 38668391 PMCID: PMC11065460 DOI: 10.15585/mmwr.mm7316a2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2024]
Abstract
As population immunity to SARS-CoV-2 evolves and new variants emerge, the role and accuracy of antigen tests remain active questions. To describe recent test performance, the detection of SARS-CoV-2 by antigen testing was compared with that by reverse transcription-polymerase chain reaction (RT-PCR) and viral culture testing during November 2022-May 2023. Participants who were enrolled in a household transmission study completed daily symptom diaries and collected two nasal swabs (tested for SARS-CoV-2 via RT-PCR, culture, and antigen tests) each day for 10 days after enrollment. Among participants with SARS-CoV-2 infection, the percentages of positive antigen, RT-PCR, and culture results were calculated each day from the onset of symptoms or, in asymptomatic persons, from the date of the first positive test result. Antigen test sensitivity was calculated using RT-PCR and viral culture as references. The peak percentage of positive antigen (59.0%) and RT-PCR (83.0%) results occurred 3 days after onset, and the peak percentage of positive culture results (52%) occurred 2 days after onset. The sensitivity of antigen tests was 47% (95% CI = 44%-50%) and 80% (95% CI = 76%-85%) using RT-PCR and culture, respectively, as references. Clinicians should be aware of the lower sensitivity of antigen testing compared with RT-PCR, which might lead to false-negative results. This finding has implications for timely initiation of SARS-CoV-2 antiviral treatment, when early diagnosis is essential; clinicians should consider RT-PCR for persons for whom antiviral treatment is recommended. Persons in the community who are at high risk for severe COVID-19 illness and eligible for antiviral treatment should seek testing from health care providers with the goal of obtaining a more sensitive diagnostic test than antigen tests (i.e., an RT-PCR test).
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - RVTN-Sentinel Study Group
- Coronavirus and Other Respiratory Viruses Division, National Center for Immunization and Respiratory Diseases, CDC; Influenza Division, National Center for Immunization and Respiratory Diseases, CDC; Vanderbilt University Medical Center, Nashville, Tennessee; University of Arizona Colleges of Medicine and Public Health, Tucson, Arizona; Division of Child and Adolescent Health, Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University, New York, New York; Department of Population and Family Health, Mailman School of Public Health, New York, New York; New York-Presbyterian Hospital, New York, New York; Department of Emergency Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, New York; Marshfield Clinic Research Institute, Marshfield, Wisconsin; Children’s Hospital Colorado, Aurora, Colorado; Department of Pediatrics-Infectious Diseases, Emory Vaccine Center, Emory Primate Research Center, Emory University School of Medicine, Atlanta, Georgia
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3
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Meyerowitz EA, Scott J, Richterman A, Male V, Cevik M. Clinical course and management of COVID-19 in the era of widespread population immunity. Nat Rev Microbiol 2024; 22:75-88. [PMID: 38114838 DOI: 10.1038/s41579-023-01001-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/28/2023] [Indexed: 12/21/2023]
Abstract
The clinical implications of COVID-19 have changed since SARS-CoV-2 first emerged in humans. The current high levels of population immunity, due to prior infection and/or vaccination, have been associated with a vastly decreased overall risk of severe disease. Some people, particularly those with immunocompromising conditions, remain at risk for severe outcomes. Through the course of the pandemic, variants with somewhat different symptom profiles from the original SARS-CoV-2 virus have emerged. The management of COVID-19 has also changed since 2020, with the increasing availability of evidence-based treatments in two main classes: antivirals and immunomodulators. Selecting the appropriate treatment(s) for patients with COVID-19 requires a deep understanding of the evidence and an awareness of the limitations of applying data that have been largely based on immune-naive populations to patients today who most likely have vaccine-derived and/or infection-derived immunity. In this Review, we provide a summary of the clinical manifestations and approaches to caring for adult patients with COVID-19 in the era of vaccine availability and the dominance of the Omicron subvariants, with a focus on the management of COVID-19 in different patient groups, including immunocompromised, pregnant, vaccinated and unvaccinated patients.
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Affiliation(s)
- Eric A Meyerowitz
- Division of Infectious Diseases, Montefiore Medical Center, Bronx, NY, USA
| | - Jake Scott
- Division of Infectious Diseases and Geographic Medicine, School of Medicine, Stanford University, Palo Alto, CA, USA
| | - Aaron Richterman
- Division of Infectious Diseases, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Victoria Male
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Muge Cevik
- Division of Infection and Global Health Research, School of Medicine, University of St Andrews, St Andrews, UK.
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4
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Liu Y, Li Y, Hang Y, Wang L, Wang J, Bao N, Kim Y, Jang HW. Rapid assays of SARS-CoV-2 virus and noble biosensors by nanomaterials. NANO CONVERGENCE 2024; 11:2. [PMID: 38190075 PMCID: PMC10774473 DOI: 10.1186/s40580-023-00408-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 12/07/2023] [Indexed: 01/09/2024]
Abstract
The COVID-19 outbreak caused by SARS-CoV-2 in late 2019 has spread rapidly across the world to form a global epidemic of respiratory infectious diseases. Increased investigations on diagnostic tools are currently implemented to assist rapid identification of the virus because mass and rapid diagnosis might be the best way to prevent the outbreak of the virus. This critical review discusses the detection principles, fabrication techniques, and applications on the rapid detection of SARS-CoV-2 with three categories: rapid nuclear acid augmentation test, rapid immunoassay test and biosensors. Special efforts were put on enhancement of nanomaterials on biosensors for rapid, sensitive, and low-cost diagnostics of SARS-CoV-2 virus. Future developments are suggested regarding potential candidates in hospitals, clinics and laboratories for control and prevention of large-scale epidemic.
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Affiliation(s)
- Yang Liu
- School of Public Health, Nantong University, Nantong, 226019, Jiangsu, People's Republic of China
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
- NantongEgens Biotechnology Co., LTD, Nantong, 226019, Jiangsu, People's Republic of China
| | - Yilong Li
- School of Public Health, Nantong University, Nantong, 226019, Jiangsu, People's Republic of China
| | - Yuteng Hang
- School of Public Health, Nantong University, Nantong, 226019, Jiangsu, People's Republic of China
| | - Lei Wang
- NantongEgens Biotechnology Co., LTD, Nantong, 226019, Jiangsu, People's Republic of China
| | - Jinghan Wang
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
| | - Ning Bao
- School of Public Health, Nantong University, Nantong, 226019, Jiangsu, People's Republic of China
| | - Youngeun Kim
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea.
| | - Ho Won Jang
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea.
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Su YD, Lai CC, Lin TH, Chen WC, Hsueh PR. Performance evaluation of the cobas SARS-CoV-2 Duo, a novel qualitative and quantitative assay, for the detection of SARS-CoV-2 RNA. Microbiol Spectr 2023; 11:e0136923. [PMID: 37909752 PMCID: PMC10715196 DOI: 10.1128/spectrum.01369-23] [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: 04/03/2023] [Accepted: 09/27/2023] [Indexed: 11/03/2023] Open
Abstract
IMPORTANCE Quantitative SARS-CoV-2 tests for viral load are necessary to guide patient treatment, as well as to determine infection control measures and policies. Although the real-time RT-PCR assays can report the Ct value to estimate the viral load, there are several serious concerns regarding the use of Ct values. Importantly, Ct values can vary significantly among between- and within-run methods. The diagnostic performance of the cobas SARS-CoV-2 Duo is appropriate. It is a precise, accurate, and sensitive method for the detection of SARS-CoV-2 RNA and is comparable to two qualitative assays (the cobas SARS-CoV-2 and the Liat cobas SARS-CoV-2 and Inf A/B). In contrast, using the Ct value to estimate viral load is not reliable, and utilization of a quantitative detection test, such as the cobas SARS-CoV-2 Duo, to accurately measure the viral load is needed.
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Affiliation(s)
- Yang-Di Su
- Department of Laboratory Medicine, China Medical University Hospital, School of Medicine, China Medical University, Taichung, Taiwan
| | - Chih-Cheng Lai
- Department of Internal Medicine, Division of Hospital Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Tsai-Hsiu Lin
- Department of Laboratory Medicine, China Medical University Hospital, School of Medicine, China Medical University, Taichung, Taiwan
| | - Wei-Cheng Chen
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine,China Medical University Hospital, Taichung, Taiwan
- Graduate Institute of Biomedical Sciences and School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
| | - Po-Ren Hsueh
- Department of Laboratory Medicine, China Medical University Hospital, School of Medicine, China Medical University, Taichung, Taiwan
- Department of Internal Medicine, Division of Infectious Diseases, China Medical University Hospital, School of Medicine, China Medical University, Taichung, Taiwan
- PhD Program for Aging, School of Medicine, China Medical University, Taichung, Taiwan
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6
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Fragkou PC, De Angelis G, Menchinelli G, Can F, Garcia F, Morfin-Sherpa F, Dimopoulou D, Dimopoulou K, Zelli S, de Salazar A, Reiter R, Janocha H, Grossi A, Omony J, Skevaki C. Update of ESCMID COVID-19 guidelines: diagnostic testing for SARS-CoV-2. Clin Microbiol Infect 2023:S1198-743X(23)00192-1. [PMID: 37088423 PMCID: PMC10122552 DOI: 10.1016/j.cmi.2023.04.019] [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: 02/01/2023] [Revised: 04/13/2023] [Accepted: 04/16/2023] [Indexed: 04/25/2023]
Abstract
SCOPE Since the onset of coronavirus disease 2019 (COVID-19), several assays have been deployed for the diagnosis of SARS-CoV-2. The European Society of Clinical Microbiology and Infectious Diseases (ESCMID) published the first set of guidelines on SARS-CoV-2 in-vitro diagnosis in February 2022. Since the COVID-19 landscape is rapidly evolving, the relevant ESCMID guidelines panel releases an update of the previously published recommendations on diagnostic testing for SARS-CoV-2. This update aims to delineate the best diagnostic approach for SARS-CoV-2 in different populations based on current evidence. METHODS An ESCMID COVID-19 guidelines task force was established by the ESCMID Executive Committee. A small group was established, half appointed by the chair, and the remaining selected with an open call. The panel met virtually once a week. For all decisions, a simple majority vote was used. A list of clinical questions using the PICO (population, intervention, comparison, and outcome) format was developed at the beginning of the process. For each PICO, two panel members performed a literature search focusing on systematic reviews with a third panellist involved in case of inconsistent results. The panel reassessed the PICOs previously defined as priority in the first set of guidelines and decided to address 49 PICO questions, as 6 of them were discarded as outdated/non-clinically relevant. The "Grading of Recommendations Assessment, Development and Evaluation(GRADE)-adoption, adaptation, and de novo development of recommendations (ADOLOPMENT)" evidence-to-decision framework was utilized to produce the guidelines. QUESTIONS ADDRESSED BY THE GUIDELINE AND RECOMMENDATIONS After literature search, we updated 16 PICO questions; these PICOs address the use of antigen-based assays among symptomatic and asymptomatic patients with different ages, COVID-19 severity status or risk for severe COVID-19, time since onset of symptoms/contact with an infectious case, and finally, types of biomaterials used.
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Affiliation(s)
- Paraskevi C Fragkou
- First Department of Critical Care Medicine & Pulmonary Services, Evangelismos General Hospital, National and Kapodistrian University of Athens, Athens, Greece; European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Study Group for Respiratory Viruses (ESGREV)
| | - Giulia De Angelis
- European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Study Group for Respiratory Viruses (ESGREV); Dipartimento di Scienze di Laboratorio e Infettivologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS - 00168, Rome, Italy
| | - Giulia Menchinelli
- European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Study Group for Respiratory Viruses (ESGREV); Dipartimento di Scienze di Laboratorio e Infettivologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS - 00168, Rome, Italy; Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Fusun Can
- European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Study Group for Respiratory Viruses (ESGREV); Department of Medical Microbiology, Koc University School of Medicine, Istanbul, Turkey; Koc University IsBank Research Centre for Infectious Diseases (KUISCID), Istanbul, Turkey
| | - Federico Garcia
- European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Study Group for Respiratory Viruses (ESGREV); Servicio de Microbiología Clínica. Hospital Universitario Clínico San Cecilio. Instituto de Investigación Biosanitaria, Ibs.GRANADA, Granada, Spain; Centro de Investigación Biomédicaen Red Enfermedades Infecciosas (CIBERINFEC), ISCIII, Madrid, Spain
| | - Florence Morfin-Sherpa
- European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Study Group for Respiratory Viruses (ESGREV); Laboratory of Virology, Institut des Agents Infectieux, National Reference Centre for respiratory viruses, Hospices Civils de Lyon, Université Claude Bernard Lyon1, Lyon, France
| | - Dimitra Dimopoulou
- European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Study Group for Respiratory Viruses (ESGREV); Second Department of Paediatrics, "P. and A. Kyriakou" Children's Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Silvia Zelli
- Dipartimento di Scienze di Laboratorio e Infettivologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS - 00168, Rome, Italy
| | - Adolfo de Salazar
- Servicio de Microbiología Clínica. Hospital Universitario Clínico San Cecilio. Instituto de Investigación Biosanitaria, Ibs.GRANADA, Granada, Spain; Centro de Investigación Biomédicaen Red Enfermedades Infecciosas (CIBERINFEC), ISCIII, Madrid, Spain
| | - Rieke Reiter
- Institute of Laboratory Medicine, Universities of Giessen and Marburg Lung Centre (UGMLC), Philipps University Marburg, German Centre for Lung Research (DZL), Marburg, Germany
| | - Hannah Janocha
- Institute of Laboratory Medicine, Universities of Giessen and Marburg Lung Centre (UGMLC), Philipps University Marburg, German Centre for Lung Research (DZL), Marburg, Germany
| | | | - Jimmy Omony
- Institute for Asthma and Allergy Prevention (IAP), Helmholtz Zentrum Munich, German Research Centre for Environmental Health (GmbH), Munich, Germany
| | - Chrysanthi Skevaki
- European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Study Group for Respiratory Viruses (ESGREV); Institute of Laboratory Medicine, Universities of Giessen and Marburg Lung Centre (UGMLC), Philipps University Marburg, German Centre for Lung Research (DZL), Marburg, Germany.
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Li X, Wang Y, Pan J, Xu J, Zhou Q. Combined Diagnosis of SARS-CoV-2: Rapid Antigen Detection as an Adjunct to Nucleic Acid Detection. Lab Med 2023; 54:e37-e43. [PMID: 35895307 PMCID: PMC9384589 DOI: 10.1093/labmed/lmac089] [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] [Indexed: 11/30/2022] Open
Abstract
Coronavirus disease 2019 is a serious threat to human life, and early diagnosis and screening can help control the COVID-19 pandemic. The high sensitivity of reverse transcriptase-polymerase chain reaction (RT-PCR) assay is the gold standard for the diagnosis of COVID-19, but there are still some false-negative results. Rapid antigen detection (RAD) is recommended by the World Health Organization (WHO) as a screening method for COVID-19. This review analyzed the characteristics of RDT and found that although the overall sensitivity of RAD was not as high as that of RT-PCR, but RAD was more sensitive in COVID-19 patients within 5 days of the onset of symptoms and in COVID-19 patients with Ct ≤ 25. Therefore, RAD can be used as an adjunct to RT-PCR for screening patients with early COVID-19. Finally, this review provides a combined diagnostic protocol for RAD and nucleic acid testing with the aim of providing a feasible approach for COVID-19 screening.
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Affiliation(s)
- Xuewen Li
- Department of Laboratory Medicine, First Hospital of Jilin University, Changchun, China
| | - Yiting Wang
- Department of Laboratory Medicine, First Hospital of Jilin University, Changchun, China
| | - Junqi Pan
- Bachelor of Biomedicine, University of Melbourne, Melbourne, Victoria, Australia
| | - Jiancheng Xu
- Department of Laboratory Medicine, First Hospital of Jilin University, Changchun, China
| | - Qi Zhou
- Department of Pediatrics, First Hospital of Jilin University, Changchun, China
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8
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Xie JW, Zheng YW, Wang M, Lin Y, He Y, Lin LR. Nasal swab is a good alternative sample for detecting SARS-CoV-2 with rapid antigen test: A meta-analysis. Travel Med Infect Dis 2023; 52:102548. [PMID: 36758806 PMCID: PMC9909360 DOI: 10.1016/j.tmaid.2023.102548] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 01/01/2023] [Accepted: 02/02/2023] [Indexed: 02/11/2023]
Abstract
BACKGROUND We aim to determine if nasal samples have equivalent detection sensitivity to nasopharyngeal swabs for RAT and evaluate the diagnostic accuracy of nasal swabs with RAT. METHODS PubMed and Web of Science were searched for eligible studies published before August 23, 2022. A bivariate random effects model was used to perform the quantitative synthesis. RESULTS The pooled sensitivity, pooled specificity, positive likelihood ratio, negative likelihood ratio, and summary AUC on nasal swabs with RAT were 0.81 (95% CI, 0.77-0.85), 1.00 (95% CI: 0.99-1.00), 0.97 (95% CI, 0.95-0.98), 298.91 (95% CI, 144.71-617.42) and 0.19 (95% CI, 0.15-0.23), respectively. WHO required RAT kits to perform with a sensitivity of 0.80 and a specificity of 0.97, nasal swabs (0.81) achieved the required sensitivity while nasopharyngeal swabs (0.75) did not. The symptomatic population yielded higher pooled sensitivity than the asymptomatic population (0.86 versus 0.71), with a pooled sensitivity of 0.90 for five days of symptom onset. CONCLUSION Nasal sampling had a great performance and yielded a high sensitivity in detecting SARS-CoV-2 using RAT, we believe that RAT performed with nasal swabs is a good alternative for detecting SARS-CoV-2, especially early in the onset of symptoms.
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Affiliation(s)
- Jia-Wen Xie
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China; Institute of Infectious Disease, School of Medicine, Xiamen University, Xiamen, China
| | - Ya-Wen Zheng
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China; Institute of Infectious Disease, School of Medicine, Xiamen University, Xiamen, China
| | - Mao Wang
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China; Institute of Infectious Disease, School of Medicine, Xiamen University, Xiamen, China
| | - Yong Lin
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China; Institute of Infectious Disease, School of Medicine, Xiamen University, Xiamen, China
| | - Yun He
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China; Institute of Infectious Disease, School of Medicine, Xiamen University, Xiamen, China
| | - Li-Rong Lin
- Center of Clinical Laboratory, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China; Institute of Infectious Disease, School of Medicine, Xiamen University, Xiamen, China.
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9
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Chen M, Guo T, Zhou Z, Chen D, Zhou H. SARS -CoV -2 Omicron BA.5 infection recurrence after Paxlovid treatment: The first case report in Hunan Province. ZHONG NAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF CENTRAL SOUTH UNIVERSITY. MEDICAL SCIENCES 2022; 47:1775-1780. [PMID: 36748391 PMCID: PMC10930264 DOI: 10.11817/j.issn.1672-7347.2022.220413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Indexed: 02/08/2023]
Abstract
We report a case of coronavirus disease 2019 (COVID-19) patient who was cured by oral administration of nirmatrelvir/ritonavir (Paxlovid). The patient was treated with Paxlovid after being first infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron BA.5 variant. On the 11th day after SARS-CoV-2 nucleic acid test turned negative, SARS-CoV-2 nucleic acid test was positive again, and the threshold of nucleic acid cycle number was equivalent to that of the first infection. The results of two whole gene sequencing showed that it was the same virus strain infection, suggesting that the case was re-positive. Without specific treatment, SARS-CoV-2 nucleic acid detection in nasopharyngeal swab turned negative. It is not uncommon for Paxlovid to recover after treating COVID-19, and most of the patients can recover without specific treatment. However, it is necessary to further study the mechanism that may lead to the recovery of SARS-CoV-2.
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Affiliation(s)
- Meiping Chen
- Department of Infectious Diseases, First Hospital of Changsha, Changsha 410005.
| | - Ting Guo
- Department of Respiratory and Critical Care Medicine, First Hospital of Changsha, Changsha 410005.
| | - Zhiguo Zhou
- Department of Respiratory and Critical Care Medicine, First Hospital of Changsha, Changsha 410005.
| | - Dong Chen
- Department of Medical Affairs, First Hospital of Changsha, Changsha 410005, China
| | - Haibo Zhou
- Department of Respiratory and Critical Care Medicine, First Hospital of Changsha, Changsha 410005
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10
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Bae S, Park H, Kim JY, Park S, Lim SY, Bae JY, Kim J, Jung J, Kim MJ, Chong YP, Lee SO, Choi SH, Kim YS, Park MS, Kim SH. Daily, self-test rapid antigen test to assess SARS-CoV-2 viability in de-isolation of patients with COVID-19. Front Med (Lausanne) 2022; 9:922431. [PMID: 36341265 PMCID: PMC9627621 DOI: 10.3389/fmed.2022.922431] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 09/26/2022] [Indexed: 06/25/2024] Open
Abstract
BACKGROUND Isolation of COVID-19 patients is a crucial infection control measure to prevent further SARS-CoV-2 transmission, but determining an appropriate timing to end the COVID-19 isolation is a challenging. We evaluated the performance of the self-test rapid antigen test (RAT) as a potential proxy to terminate the isolation of COVID-19 patients. MATERIALS AND METHODS Symptomatic COVID-19 patients were enrolled who were admitted to a regional community treatment center (CTC) in Seoul (South Korea). Self-test RAT and the collection of saliva samples were performed by the patients, on a daily basis, until patient discharge. Cell culture and subgenomic RNA detection were performed on saliva samples. RESULTS A total of 138 pairs of saliva samples and corresponding RAT results were collected from 34 COVID-19 patients. Positivity of RAT and cell culture was 27% (37/138) and 12% (16/138), respectively. Of the 16 culture-positive saliva samples, seven (43.8%) corresponding RAT results were positive. Using cell culture as the reference standard, the overall percent agreement, percent positive agreement, and percent negative agreement of RAT were 71% (95% CI, 63-78), 26% (95% CI, 12-42), and 82% (95% CI, 76-87), respectively. The sensitivity, specificity, positive predictive value, and negative predictive value of the RAT for predicting culture results were 44% (95% CI, 20-70), 75% (95% CI, 66-82), 18% (95% CI, 8-34), and 91% (95% CI, 84-96), respectively. CONCLUSION About half of the patients who were SARS-CoV-2 positive based upon cell culture results gave negative RAT results. However, the remaining positive culture cases were detected by RAT, and RAT showed relatively high negative predictive value for viable viral shedding.
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Affiliation(s)
- Seongman Bae
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Heedo Park
- BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul, South Korea
- Department of Microbiology, Biosafety Center, College of Medicine, Institute for Viral Diseases, Korea University, Seoul, South Korea
| | - Ji Yeun Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sunghee Park
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - So Yun Lim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Joon-Yong Bae
- Department of Microbiology, Biosafety Center, College of Medicine, Institute for Viral Diseases, Korea University, Seoul, South Korea
| | - Jeonghun Kim
- BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul, South Korea
- Department of Microbiology, Biosafety Center, College of Medicine, Institute for Viral Diseases, Korea University, Seoul, South Korea
| | - Jiwon Jung
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Min Jae Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Yong Pil Chong
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sang-Oh Lee
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sang-Ho Choi
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Yang Soo Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Man-Seong Park
- BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul, South Korea
- Department of Microbiology, Biosafety Center, College of Medicine, Institute for Viral Diseases, Korea University, Seoul, South Korea
| | - Sung-Han Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
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11
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Hu R, Hotta M, Maruyama T, Fujisawa M, Sou K, Takeoka S. Temperature-Responsive Liposome-Linked Immunosorbent Assay for the Rapid Detection of SARS-CoV-2 Using Immunoliposomes. ACS OMEGA 2022; 7:26936-26944. [PMID: 35915635 PMCID: PMC9328125 DOI: 10.1021/acsomega.2c03597] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/07/2022] [Indexed: 05/02/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which is the etiological agent of coronavirus disease 2019 (COVID-19), has infected more than 340 million people since the outbreak of the pandemic in 2019, resulting in approximately 55 million deaths. The rapid and effective diagnosis of COVID-19 patients is vital to prevent the spread of the disease. In a previous study, we reported a novel temperature-responsive liposome-linked immunosorbent assay (TLip-LISA) using biotinylated-TLip that exhibited high detection sensitivity for the prostate-specific antigen. Herein, we used immunoglobulin-TLip (IgG-TLip), in which the antibodies were directly conjugated to the liposomal surface to simplify pretreatment procedures and reduce the detection time for SARS-CoV-2. The results indicated that TLip-LISA could detect the recombinant nucleocapsid protein and the nucleocapsid protein in inactivated virus with 20 min incubation time in total, and the limit of detection was calculated to be 2.2 and 1.0 pg/mL, respectively. Therefore, TLip-LISA has high potential to be used in clinic for rapid diagnosis and disease control.
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Affiliation(s)
- Runkai Hu
- Department
of Life Science and Medical Bioscience, Graduate School of Advanced
Science and Engineering, Waseda University, Tokyo 162-8480, Japan
| | - Morihiro Hotta
- Department
of Life Science and Medical Bioscience, Graduate School of Advanced
Science and Engineering, Waseda University, Tokyo 162-8480, Japan
| | - Taro Maruyama
- Department
of Life Science and Medical Bioscience, Graduate School of Advanced
Science and Engineering, Waseda University, Tokyo 162-8480, Japan
| | - Mizuki Fujisawa
- Department
of Life Science and Medical Bioscience, Graduate School of Advanced
Science and Engineering, Waseda University, Tokyo 162-8480, Japan
| | - Keitaro Sou
- Waseda
Research Institute for Science and Engineering, Waseda University, Tokyo 169-8555, Japan
| | - Shinji Takeoka
- Department
of Life Science and Medical Bioscience, Graduate School of Advanced
Science and Engineering, Waseda University, Tokyo 162-8480, Japan
- Institute
for Advanced Research of Biosystem Dynamics, Waseda Research Institute
for Science and Engineering, Waseda University, Tokyo 169-8555, Japan
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12
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Kost GJ. The Coronavirus Disease 2019 Spatial Care Path: Home, Community, and Emergency Diagnostic Portals. Diagnostics (Basel) 2022; 12:diagnostics12051216. [PMID: 35626375 PMCID: PMC9140623 DOI: 10.3390/diagnostics12051216] [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: 04/27/2022] [Revised: 05/10/2022] [Accepted: 05/10/2022] [Indexed: 12/28/2022] Open
Abstract
This research uses mathematically derived visual logistics to interpret COVID-19 molecular and rapid antigen test (RAgT) performance, determine prevalence boundaries where risk exceeds expectations, and evaluate benefits of recursive testing along home, community, and emergency spatial care paths. Mathematica and open access software helped graph relationships, compare performance patterns, and perform recursive computations. Tiered sensitivity/specificity comprise: (T1) 90%/95%; (T2) 95%/97.5%; and (T3) 100%/≥99%, respectively. In emergency medicine, median RAgT performance peaks at 13.2% prevalence, then falls below T1, generating risky prevalence boundaries. RAgTs in pediatric ERs/EDs parallel this pattern with asymptomatic worse than symptomatic performance. In communities, RAgTs display large uncertainty with median prevalence boundary of 14.8% for 1/20 missed diagnoses, and at prevalence > 33.3−36.9% risk 10% false omissions for symptomatic subjects. Recursive testing improves home RAgT performance. Home molecular tests elevate performance above T1 but lack adequate validation. Widespread RAgT availability encourages self-testing. Asymptomatic RAgT and PCR-based saliva testing present the highest chance of missed diagnoses. Home testing twice, once just before mingling, and molecular-based self-testing, help avoid false omissions. Community and ER/ED RAgTs can identify contagiousness in low prevalence. Real-world trials of performance, cost-effectiveness, and public health impact could identify home molecular diagnostics as an optimal diagnostic portal.
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Affiliation(s)
- Gerald J Kost
- Fulbright Scholar 2020-2022, ASEAN Program, Point-of-Care Testing Center for Teaching and Research (POCT•CTR), Pathology and Laboratory Medicine, School of Medicine, University of California, Davis, CA 95616, USA
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13
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Favresse J, Bayart JL, David C, Didembourg M, Gillot C, Dogné JM, Douxfils J. Spike vs. nucleocapsid serum antigens for COVID-19 diagnosis and severity assessment. Clin Chem Lab Med 2022; 60:e97-e100. [PMID: 35007411 DOI: 10.1515/cclm-2021-1244] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 01/04/2022] [Indexed: 12/28/2022]
Affiliation(s)
- Julien Favresse
- Department of Laboratory Medicine, Clinique St-Luc Bouge, Namur, Belgium
- Department of Pharmacy, Namur Research Institute for LIfe Sciences, University of Namur, Namur, Belgium
| | - Jean-Louis Bayart
- Department of Laboratory Medicine, Clinique St-Pierre Ottignies, Ottignies-Louvain-la-Neuve, Belgium
| | | | - Marie Didembourg
- Department of Pharmacy, Namur Research Institute for LIfe Sciences, University of Namur, Namur, Belgium
| | - Constant Gillot
- Department of Pharmacy, Namur Research Institute for LIfe Sciences, University of Namur, Namur, Belgium
| | - Jean-Michel Dogné
- Department of Pharmacy, Namur Research Institute for LIfe Sciences, University of Namur, Namur, Belgium
| | - Jonathan Douxfils
- Department of Pharmacy, Namur Research Institute for LIfe Sciences, University of Namur, Namur, Belgium
- Qualiblood sa, Namur, Belgium
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14
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Lefferts B, Blake I, Bruden D, Hagen MB, Hodges E, Kirking HL, Bates E, Hoeldt A, Lamont B, Saydah S, MacNeil A, Bruce MG, Plumb ID. Antigen Test Positivity After COVID-19 Isolation - Yukon-Kuskokwim Delta Region, Alaska, January-February 2022. MMWR. MORBIDITY AND MORTALITY WEEKLY REPORT 2022; 71:293-298. [PMID: 35202352 DOI: 10.15585/mmwr.mm7108a3] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Isolation is recommended during acute infection with SARS-CoV-2, the virus that causes COVID-19, but the duration of infectiousness varies among individual persons. Rapid antigen test results have been correlated with detection of viable virus (1-3) and might inform isolation guidance, but data are limited for the recently emerged SARS-CoV-2 B.1.1.529 (Omicron) variant. On January 5, 2022, the Yukon-Kuskokwim Health Corporation (YKHC) recommended that persons with SARS-CoV-2 infection isolate for 10 days after symptom onset (or, for asymptomatic persons, 10 days after a positive nucleic acid amplification or antigen test result). However, isolation could end after 5-9 days if symptoms were resolving or absent, fever was absent for ≥24 hours without fever-reducing medications, and an Abbott BinaxNOW COVID-19 Ag (BinaxNOW) rapid antigen test result was negative. Antigen test results and associated individual characteristics were analyzed among 3,502 infections reported to YKHC during January 1-February 9, 2022. After 5-9 days, 396 of 729 persons evaluated (54.3%) had a positive antigen test result, with a declining percentage positive over time. In a multivariable model, a positive antigen test result was more likely after 5 days compared with 9 days (adjusted odds ratio [aOR] = 6.39) or after symptomatic infection (aOR = 9.63), and less likely after previous infection (aOR = 0.30), receipt of a primary COVID-19 vaccination series (aOR = 0.60), or after both previous infection and receipt of a primary COVID-19 vaccination series (aOR = 0.17). Antigen tests might be a useful tool to guide recommendations for isolation after SARS-CoV-2 infection. During the 10 days after infection, persons might be infectious to others and are recommended to wear a well-fitting mask when around others, even if ending isolation after 5 days.
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15
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Regan J, Flynn JP, Choudhary MC, Uddin R, Lemieux J, Boucau J, Bhattacharyya RP, Barczak AK, Li JZ, Siedner MJ. Detection of the omicron variant virus with the Abbott BinaxNow SARS-CoV-2 Rapid Antigen Assay. Open Forum Infect Dis 2022; 9:ofac022. [PMID: 35169591 PMCID: PMC8842316 DOI: 10.1093/ofid/ofac022] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 01/12/2022] [Indexed: 11/29/2022] Open
Abstract
We assessed the ability of the BinaxNow rapid test to detect severe acute respiratory syndrome coronavirus 2 antigen from 4 individuals with Omicron and Delta infections. We performed serial dilutions of nasal swab samples, and specimens with concentrations of ≥100 000 copies/swab were positive, demonstrating that the BinaxNow test is able to detect the Omicron variant.
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Affiliation(s)
- James Regan
- Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - James P Flynn
- Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - Manish C Choudhary
- Brigham and Women’s Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Cambridge, Massachusetts, USA
| | - Rockib Uddin
- Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Jacob Lemieux
- Harvard Medical School, Cambridge, Massachusetts, USA
- Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Julie Boucau
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
| | - Roby P Bhattacharyya
- Harvard Medical School, Cambridge, Massachusetts, USA
- Massachusetts General Hospital, Boston, Massachusetts, USA
- Broad Institute, Cambridge, Massachusetts, USA
| | - Amy K Barczak
- Harvard Medical School, Cambridge, Massachusetts, USA
- Massachusetts General Hospital, Boston, Massachusetts, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
| | - Jonathan Z Li
- Brigham and Women’s Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Cambridge, Massachusetts, USA
| | - Mark J Siedner
- Harvard Medical School, Cambridge, Massachusetts, USA
- Massachusetts General Hospital, Boston, Massachusetts, USA
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