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Parsons Leigh J, FitzGerald EA, Moss SJ, Cherak MS, Brundin-Mather R, Dodds A, Stelfox HT, Dubé È, Fiest KM, Halperin DM, Ahmed SB, MacDonald SE, Straus SE, Manca T, Ng Kamstra J, Soo A, Longmore S, Kupsch S, Sept B, Halperin SA. The evolution of vaccine hesitancy through the COVID-19 pandemic: A semi-structured interview study on booster and bivalent doses. Hum Vaccin Immunother 2024; 20:2316417. [PMID: 38390696 PMCID: PMC10896168 DOI: 10.1080/21645515.2024.2316417] [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: 11/27/2023] [Accepted: 02/06/2024] [Indexed: 02/24/2024] Open
Abstract
We sought in-depth understanding on the evolution of factors influencing COVID-19 booster dose and bivalent vaccine hesitancy in a longitudinal semi-structured interview-based qualitative study. Serial interviews were conducted between July 25th and September 1st, 2022 (Phase I: univalent booster dose availability), and between November 21st, 2022 and January 11th, 2023 (Phase II: bivalent vaccine availability). Adults (≥18 years) in Canada who had received an initial primary series and had not received a COVID-19 booster dose were eligible for Phase I, and subsequently invited to participate in Phase II. Twenty-two of twenty-three (96%) participants completed interviews for both phases (45 interviews). Nearly half of participants identified as a woman (n = 11), the median age was 37 years (interquartile range: 32-48), and most participants were employed full-time (n = 12); no participant reported needing to vaccinate (with a primary series) for their workplace. No participant reported having received a COVID-19 booster dose at the time of their interview in Phase II. Three themes relating to the development of hesitancy toward continued vaccination against COVID-19 were identified: 1) effectiveness (frequency concerns; infection despite vaccination); 2) necessity (less threatening, low urgency, alternate protective measures); and 3) information (need for data, contradiction and confusion, lack of trust, decreased motivation). The data from interviews with individuals who had not received a COVID-19 booster dose or bivalent vaccine despite having received a primary series of COVID-19 vaccines highlights actionable targets to address vaccine hesitancy and improve public health literacy.
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Affiliation(s)
- Jeanna Parsons Leigh
- Faculty of Health, School of Health Administration, Dalhousie University, Halifax, Nova Scotia, Canada
- Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada
- Canadian Center for Vaccinology & IWK Health Center, Halifax, Nova Scotia, Canada
| | - Emily A FitzGerald
- Faculty of Health, School of Health Administration, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Stephana Julia Moss
- Faculty of Health, School of Health Administration, Dalhousie University, Halifax, Nova Scotia, Canada
- CRISMA Center, Department of Critical Care, University of Pittsburgh, Pittsburgh, USA
| | - Michal S Cherak
- Faculty of Health, School of Health Administration, Dalhousie University, Halifax, Nova Scotia, Canada
- Canadian Center for Vaccinology & IWK Health Center, Halifax, Nova Scotia, Canada
| | | | - Alexandra Dodds
- Faculty of Health, School of Health Administration, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Henry T Stelfox
- Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Ève Dubé
- Centre de Recherche du CHU de Québec, Université Laval, Québec, Canada
- Département d'anthropologie, Université Laval, Québec, Canada
| | - Kirsten M Fiest
- Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada
- O'Brien Institute for Public Health, University of Calgary, Calgary, Alberta, Canada
- Department of Psychiatry & Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Donna M Halperin
- Canadian Center for Vaccinology & IWK Health Center, Halifax, Nova Scotia, Canada
- Rankin School of Nursing, St. Francis Xavier University, Antigonish, Nova Scotia, Canada
| | - Sofia B Ahmed
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Shannon E MacDonald
- School of Public Health, University of Alberta, Edmonton, Alberta, Canada
- Faculty of Nursing, University of Alberta, Edmonton, Alberta, Canada
| | - Sharon E Straus
- Li Ka Shing Knowledge Institute of St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, Canada
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada
- Institute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, Ontario, Canada
| | - Terra Manca
- Faculty of Health Disciplines, Athabasca University, Athabasca, Alberta, Canada
- Sociology and Social Anthropology, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Josh Ng Kamstra
- Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Andrea Soo
- Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada
- Alberta Health Services, Calgary, Alberta, Canada
| | - Shelly Longmore
- Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Shelly Kupsch
- Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Bonnie Sept
- Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Scott A Halperin
- Canadian Center for Vaccinology & IWK Health Center, Halifax, Nova Scotia, Canada
- Department of Pediatrics, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
- Department of Microbiology and Immunology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
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Rader NA, Lee KS, Loes AN, Miller-Stump OA, Cooper M, Wong TY, Boehm DT, Barbier M, Bevere JR, Heath Damron F. Influenza virus strains expressing SARS-CoV-2 receptor binding domain protein confer immunity in K18-hACE2 mice. Vaccine X 2024; 20:100543. [PMID: 39221180 PMCID: PMC11364132 DOI: 10.1016/j.jvacx.2024.100543] [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: 05/07/2024] [Accepted: 08/01/2024] [Indexed: 09/04/2024] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of coronavirus disease (COVID-19), rapidly spread across the globe in 2019. With the emergence of the Omicron variant, COVID-19 shifted into an endemic phase. Given the anticipated rise in cases during the fall and winter seasons, the strategy of implementing seasonal booster vaccines for COVID-19 is becoming increasingly valuable to protect public health. This practice already exists for seasonal influenza vaccines to combat annual influenza seasons. Our goal was to investigate an easily modifiable vaccine platform for seasonal use against SARS-CoV-2. In this study, we evaluated the genetically modified influenza virus ΔNA(RBD) as an intranasal vaccine candidate for COVID-19. This modified virus was engineered to replace the coding sequence for the neuraminidase (NA) protein with a membrane-anchored form of the receptor binding domain (RBD) protein of SARS-CoV-2. We designed experiments to assess the protection of ΔNA(RBD) in K18-hACE2 mice using lethal (Delta) and non-lethal (Omicron) challenge models. Controls of COVID-19 mRNA vaccine and our lab's previously described intranasal virus like particle vaccine were used as comparisons. Immunization with ΔNA(RBD) expressing ancestral RBD elicited high anti-RBD IgG levels in the serum of mice, high anti-RBD IgA in lung tissue, and improved survival after Delta variant challenge. Modifying ΔNA(RBD) to express Omicron variant RBD shifted variant-specific antibody responses and limited viral burden in the lungs of mice after Omicron variant challenge. Overall, this data suggests that ΔNA(RBD) could be an effective intranasal vaccine platform that generates mucosal and systemic immunity towards SARS-CoV-2.
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Affiliation(s)
- Nathaniel A. Rader
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, USA
- Vaccine Development Center at West Virginia University Health Sciences Center, Morgantown, WV, USA
| | - Katherine S. Lee
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, USA
- Vaccine Development Center at West Virginia University Health Sciences Center, Morgantown, WV, USA
| | - Andrea N. Loes
- Division of Basic Sciences and Computational Biology Program, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
- Howard Hughes Medical Institute, Seattle, WA 98103, USA
| | - Olivia A. Miller-Stump
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, USA
- Vaccine Development Center at West Virginia University Health Sciences Center, Morgantown, WV, USA
| | - Melissa Cooper
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, USA
- Vaccine Development Center at West Virginia University Health Sciences Center, Morgantown, WV, USA
| | - Ting Y. Wong
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, USA
- Vaccine Development Center at West Virginia University Health Sciences Center, Morgantown, WV, USA
| | - Dylan T. Boehm
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, USA
- Vaccine Development Center at West Virginia University Health Sciences Center, Morgantown, WV, USA
| | - Mariette Barbier
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, USA
- Vaccine Development Center at West Virginia University Health Sciences Center, Morgantown, WV, USA
| | - Justin R. Bevere
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, USA
- Vaccine Development Center at West Virginia University Health Sciences Center, Morgantown, WV, USA
| | - F. Heath Damron
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, USA
- Vaccine Development Center at West Virginia University Health Sciences Center, Morgantown, WV, USA
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Sinyavskaya Y, Eritsyan K, Antonova N, Sharin N. Don't say it's over: The perceived epidemic stage and COVID preventive behaviour. J Health Psychol 2024; 29:1150-1163. [PMID: 38288703 DOI: 10.1177/13591053231222338] [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: 08/25/2024] Open
Abstract
Little is known about the perceptions of the COVID-19 pandemic's dynamic and its effect on self-protective behaviour. Using survey data from 1343 university students we explored how the perceived temporal distance to the COVID pandemic peak associates with risk perception and the adherence of preventive behaviours. Results show that individuals differ in their perception of the pandemic stage despite being in the same environment. The belief that the COVID peak is in the past was associated with less perceived risk and decreased self-protection. A high COVID-19 media involvement and trust in the authorities were associated with higher perceived risk and preventive behaviour implementation. Overall, the perception that the pandemic wave is in its final stages could be an independent predictor of more risky behaviour. Thus, the communication of the pandemic dynamic should be provided by policy makers with caution to avoid the possibility of discounting the risk.
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Mehta SK, Pradhan RB. Phytochemicals in antiviral drug development against human respiratory viruses. Drug Discov Today 2024; 29:104107. [PMID: 39032810 DOI: 10.1016/j.drudis.2024.104107] [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: 12/25/2023] [Revised: 05/30/2024] [Accepted: 07/15/2024] [Indexed: 07/23/2024]
Abstract
This review explores the potential antiviral properties of various plant-based compounds, including polyphenols, phytochemicals, and terpenoids. It emphasizes the diverse functionalities of compounds such as epigallocatechin-3-gallate (EGCG), quercetin, griffithsin (GRFT,) resveratrol, linalool, and carvacrol in the context of respiratory virus infections, including SARS-CoV-2. Emphasizing their effectiveness in modulating immune responses, disrupting viral envelopes, and influencing cellular signaling pathways, the review underlines the imperative for thorough research to establish safety and efficacy. Additionally, the review underscores the necessity of well-designed clinical trials to evaluate the efficacy and safety of these compounds as potential antiviral agents. This approach would establish a robust framework for future drug development efforts focused on bolstering host defense mechanisms against human respiratory viral infections.
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Affiliation(s)
- Surya Kant Mehta
- Laboratory of Algal Biology, Department of Botany, School of Life Sciences, Mizoram University, Aizawl, PIN 796004, Mizoram, India.
| | - Ran Bahadur Pradhan
- Laboratory of Algal Biology, Department of Botany, School of Life Sciences, Mizoram University, Aizawl, PIN 796004, Mizoram, India
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Tsampalieros A, Zemek R, Barrowman N, Langlois MA, Arnold C, McGahern C, Plint AC, Pham-Huy A, Bhatt M. Hybrid immunity after BNT162b2 Covid-19 vaccine administration in children aged 5 to 11 years. Vaccine 2024; 42:125981. [PMID: 38789373 DOI: 10.1016/j.vaccine.2024.05.029] [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: 10/31/2023] [Revised: 05/10/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024]
Abstract
BACKGROUND The immune response to coronavirus disease 2019 (COVID-19) vaccination is stronger among adults with prior infection (hybrid immunity). It is important to understand if children demonstrate a similar response to better inform vaccination strategies. Our study investigated the humoral response after BNT162b2 COVID-19 vaccine doses in SARS-CoV-2 naïve and recovered children (5-11 years). METHODS A multi-institutional, longitudinal, prospective cohort study was conducted. Children were enrolled in a case-ascertained antibody surveillance study in Ottawa, Ontario from September/2020-March/2021; at least one household member was severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) positive on RT-PCR. In November 2021, BNT162b2 COVID-19 vaccine was authorized for children aged 5-11 in Canada. Children enrolled in the surveillance study intending to receive two vaccine doses were invited to participate in this study from November 2021-April 2022. Main exposure was prior SARS-CoV-2 infection, defined by positive RT-PCR or SARS-CoV-2 anti-N IgG antibody presence. Primary outcome was spike IgG antibody levels measured following the first vaccine dose (2-3 weeks) and second vaccine dose (3-4 weeks). RESULTS Of the 153 eligible children, 75 participants (median age 8.9 IQR (7.4, 10.2) years; 38 (50.7 %) female; 59 (78.7 %) Caucasian) had complete follow-up. Fifty-four (72 %) children had prior SARS-COV-2 infection. Spike IgG antibody levels are significantly higher in SARS-CoV-2 recovered participants after receiving the first dose (p < 0.001) and the second (p = 0.01) compared to infection naïve children. CONCLUSIONS AND RELEVANCE SARS-CoV-2 recovered children (5-11 years) demonstrated higher antibody levels following first BNT162b2 vaccine dose compared with naïve children. Most reached antibody saturation two to three weeks after the first dose; a second dose didn't change the saturation level. A single vaccine dose in SARS-CoV-2 recovered children may be equivalent or superior to a 2-dose primary series in naïve children. Further research is needed on the durability and quality of a single vaccine dose in this population.
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Affiliation(s)
- Anne Tsampalieros
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Canada
| | - Roger Zemek
- Department of Pediatrics and Emergency Medicine, Children's Hospital of Eastern Omntario, University of Ottawa, Ottawa, Canada
| | - Nick Barrowman
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Canada
| | - Marc-André Langlois
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Canada
| | - Corey Arnold
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Canada
| | - Candice McGahern
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Canada
| | - Amy C Plint
- Department of Pediatrics and Emergency Medicine, Children's Hospital of Eastern Omntario, University of Ottawa, Ottawa, Canada
| | - Anne Pham-Huy
- Department of Pediatrics, Children's Hospital of Eastern Ontario, University of Ottawa, Ottawa, Canada
| | - Maala Bhatt
- Department of Pediatrics, Children's Hospital of Eastern Ontario, University of Ottawa, Ottawa, Canada.
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Huang J, Hu Y, Niu Z, Hao W, Ketema H, Wang Z, Xu J, Sheng L, Cai Y, Yu Z, Cai Y, Zhang W. Preclinical Efficacy of Cap-Dependent and Independent mRNA Vaccines against Bovine Viral Diarrhea Virus-1. Vet Sci 2024; 11:373. [PMID: 39195827 PMCID: PMC11359904 DOI: 10.3390/vetsci11080373] [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: 06/17/2024] [Revised: 08/07/2024] [Accepted: 08/10/2024] [Indexed: 08/29/2024] Open
Abstract
Bovine viral diarrhea virus (BVDV) is an RNA virus associated with severe economic losses in animal production. Effective vaccination and viral surveillance are urgent for the prevention and control of BVDV infection. However, the application of traditional modified live vaccines and inactivated vaccines is faced with tremendous challenges. In the present study, we describe the preclinical efficacy of two BVDV mRNA vaccines tested in mice and guinea pigs, followed by a field trial in goats, where they were compared to a commercial vaccine (formaldehyde inactivated). The two mRNAs were engineered to express the envelope protein E2 of BVDV-1, the most prevalent subtype across the world, through a 5' cap-dependent or independent fashion. Better titers of neutralizing antibodies against BVDV-1 were achieved using the capped RNA in the sera of mice and guinea pigs, with maximum values reaching 9.4 and 13.7 (by -log2), respectively, on the 35th day post-vaccination. At the same time point, the antibody levels in goats were 9.1 and 10.2 for the capped and capless RNAs, respectively, and there were no significant differences compared to the commercial vaccine. The animals remained healthy throughout the experiment, as reflected by their normal leukogram profiles. Collectively, our findings demonstrate that mRNA vaccines have good safety and immunogenicity, and we laid a strong foundation for the further exploitation of efficient and safe BVDV vaccines.
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Affiliation(s)
- Jing Huang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (J.H.); (Z.N.); (H.K.); (Z.W.); (J.X.); (L.S.)
| | - Yaping Hu
- Jinling Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210002, China; (Y.H.); (W.H.); (Z.Y.)
| | - Zikang Niu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (J.H.); (Z.N.); (H.K.); (Z.W.); (J.X.); (L.S.)
| | - Wei Hao
- Jinling Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210002, China; (Y.H.); (W.H.); (Z.Y.)
| | - Hirpha Ketema
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (J.H.); (Z.N.); (H.K.); (Z.W.); (J.X.); (L.S.)
| | - Zhipeng Wang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (J.H.); (Z.N.); (H.K.); (Z.W.); (J.X.); (L.S.)
| | - Junjie Xu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (J.H.); (Z.N.); (H.K.); (Z.W.); (J.X.); (L.S.)
| | - Le Sheng
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (J.H.); (Z.N.); (H.K.); (Z.W.); (J.X.); (L.S.)
| | - Yuze Cai
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210002, China;
| | - Zhenghong Yu
- Jinling Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210002, China; (Y.H.); (W.H.); (Z.Y.)
| | - Yafei Cai
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (J.H.); (Z.N.); (H.K.); (Z.W.); (J.X.); (L.S.)
| | - Wei Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (J.H.); (Z.N.); (H.K.); (Z.W.); (J.X.); (L.S.)
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Mahendran TR, Cynthia B, Thevendran R, Maheswaran S. Prospects of Innovative Therapeutics in Combating the COVID-19 Pandemic. Mol Biotechnol 2024:10.1007/s12033-024-01240-4. [PMID: 39085563 DOI: 10.1007/s12033-024-01240-4] [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: 01/19/2024] [Accepted: 07/03/2024] [Indexed: 08/02/2024]
Abstract
The sudden global crisis of COVID-19, driven by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), demands swift containment measures due to its rapid spread and numerous problematic mutations, which complicate the establishment of herd immunity. With escalating fatalities across various nations no foreseeable end in sight, there is a pressing need to create swiftly deployable, rapid, cost-effective detection, and treatment methods. While various steps are taken to mitigate the transmission and severity of the disease, vaccination is proven throughout mankind history as the best method to acquire immunity and circumvent the spread of infectious diseases. Nonetheless, relying solely on vaccination might not be adequate to match the relentless viral mutations observed in emerging variants of SARS-CoV-2, including alterations to their RBD domain, acquisition of escape mutations, and potential resistance to antibody binding. Beyond the immune system activation achieved through vaccination, it is crucial to develop new medications or treatment methods to either impede the infection or enhance existing treatment modalities. This review emphasizes innovative treatment strategies that aim to directly disrupt the virus's ability to replicate and spread, which could play a role in ending the SARS-CoV-2 pandemic.
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Affiliation(s)
- Thamby Rajah Mahendran
- School of Biological Sciences, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia
| | - Binsin Cynthia
- School of Biological Sciences, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia
| | - Ramesh Thevendran
- Centre of Excellence for Nanobiotechnology & Nanomedicine (CoExNano), Faculty of Applied Sciences, AIMST University, 08100, Bedong, Kedah, Malaysia
- Faculty of Applied Sciences, AIMST University, 08100, Bedong, Kedah, Malaysia
| | - Solayappan Maheswaran
- Centre of Excellence for Nanobiotechnology & Nanomedicine (CoExNano), Faculty of Applied Sciences, AIMST University, 08100, Bedong, Kedah, Malaysia.
- Faculty of Applied Sciences, AIMST University, 08100, Bedong, Kedah, Malaysia.
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Desai N, Chavda V, Singh TRR, Thorat ND, Vora LK. Cancer Nanovaccines: Nanomaterials and Clinical Perspectives. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2401631. [PMID: 38693099 DOI: 10.1002/smll.202401631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 03/30/2024] [Indexed: 05/03/2024]
Abstract
Cancer nanovaccines represent a promising frontier in cancer immunotherapy, utilizing nanotechnology to augment traditional vaccine efficacy. This review comprehensively examines the current state-of-the-art in cancer nanovaccine development, elucidating innovative strategies and technologies employed in their design. It explores both preclinical and clinical advancements, emphasizing key studies demonstrating their potential to elicit robust anti-tumor immune responses. The study encompasses various facets, including integrating biomaterial-based nanocarriers for antigen delivery, adjuvant selection, and the impact of nanoscale properties on vaccine performance. Detailed insights into the complex interplay between the tumor microenvironment and nanovaccine responses are provided, highlighting challenges and opportunities in optimizing therapeutic outcomes. Additionally, the study presents a thorough analysis of ongoing clinical trials, presenting a snapshot of the current clinical landscape. By curating the latest scientific findings and clinical developments, this study aims to serve as a comprehensive resource for researchers and clinicians engaged in advancing cancer immunotherapy. Integrating nanotechnology into vaccine design holds immense promise for revolutionizing cancer treatment paradigms, and this review provides a timely update on the evolving landscape of cancer nanovaccines.
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Affiliation(s)
- Nimeet Desai
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Telangana, 502285, India
| | - Vivek Chavda
- Department of Pharmaceutics and Pharmaceutical Technology, L M College of Pharmacy, Ahmedabad, 380009, India
| | | | - Nanasaheb D Thorat
- Limerick Digital Cancer Research Centre (LDCRC), University of Limerick, Castletroy, Limerick, V94T9PX, Ireland
- Department of Physics, Bernal Institute, Castletroy, Limerick, V94T9PX, Ireland
- Nuffield Department of Women's & Reproductive Health, Medical Science Division, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
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9
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de Jong HK, Hermans SM, Schuitenmaker SM, Oli M, van den Hoven MA, Grobusch MP. Factors associated with acceleration of clinical development for infectious diseases: a cross-sectional analysis of 10-year EMA registration data. THE LANCET REGIONAL HEALTH. EUROPE 2024; 43:100983. [PMID: 39027897 PMCID: PMC11255360 DOI: 10.1016/j.lanepe.2024.100983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 06/11/2024] [Accepted: 06/11/2024] [Indexed: 07/20/2024]
Abstract
Background Clinical trials feature centrally in the development of drugs and vaccines to determine safety and efficacy. Clinical development can be slow and may have a duration of more than ten years. Global public health threats such as Ebola virus disease (EVD) and COVID-19 have demonstrated that it is possible to accelerate clinical trials while maintaining safety and efficacy. We investigated acceleration in clinical trials over the past decade and identified factors associated with acceleration for drugs targeting infectious diseases. Methods A cross-sectional study was performed of all medicinal compounds targeting infectious diseases that received marketing authorisation by the European Medicines Agency (EMA) between 2012 and 2022. We calculated median clinical development time in years between the first phase 1 trial enrolment date and the authorisation date. Multivariable linear regression analysis was performed to identify factors associated with shorter development times. Findings Eighty-one trajectories were included. The median clinical development time was 7.3 years (IQR 4.4-12.3). The fastest times belonged to drugs and vaccines targeting COVID-19 (1.3 years, IQR 0.8-1.6), EVD (5.5 years, IQR 5.1-5.8), and Hepatitis A-E (5.5 years, IQR 3.9-8.2). Factors associated with shorter development times were outbreak setting (-5.4 years [95% CI, -8.2 to -2.6]), accelerated assessment status (-4.0 years [95% CI, -7.6 to -0.5]), and drugs with combined compounds (-2.7 years [95% CI, -4.9 to -0.4]). Interpretation Clinical development time for infectious disease-related drugs and vaccines was relatively short, and outbreak setting and accelerated EMA assessment were associated with shorter development times. Funding Amsterdam Public Health research institute.
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Affiliation(s)
- Hanna K. de Jong
- Amsterdam UMC, Location University of Amsterdam, Center for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam Public Health – Global Health, and Amsterdam Institute for Immunology and Infectious Diseases, Amsterdam, the Netherlands
| | - Sabine M. Hermans
- Amsterdam UMC, Location University of Amsterdam, Center for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam Public Health – Global Health, and Amsterdam Institute for Immunology and Infectious Diseases, Amsterdam, the Netherlands
- Amsterdam UMC, Location University of Amsterdam, Department of Global Health, Amsterdam Institute for Global Health and Development, Amsterdam, the Netherlands
| | - Sophie M. Schuitenmaker
- Amsterdam UMC, Location University of Amsterdam, Center for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam Public Health – Global Health, and Amsterdam Institute for Immunology and Infectious Diseases, Amsterdam, the Netherlands
| | - Maya Oli
- Amsterdam UMC, Location University of Amsterdam, Center for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam Public Health – Global Health, and Amsterdam Institute for Immunology and Infectious Diseases, Amsterdam, the Netherlands
| | - Mariëtte A. van den Hoven
- Amsterdam UMC, Location VU University Amsterdam, Department of Ethics, Law and Humanities, Amsterdam, the Netherlands
| | - Martin P. Grobusch
- Amsterdam UMC, Location University of Amsterdam, Center for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam Public Health – Global Health, and Amsterdam Institute for Immunology and Infectious Diseases, Amsterdam, the Netherlands
- Institute of Tropical Medicine, German Centre for Infection Research (DZIF), University of Tübingen, Tübingen, Germany
- Centre de Recherches Médicales en Lambaréné (CERMEL), Lambaréné, Gabon
- Masanga Medical Research Unit (MMRU), Masanga, Sierra Leone
- Institute of Infectious Diseases and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa
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10
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Alghamdi MN, Alharthi MA, Alghamdi AA, Khabti BK, Alshahrani MT, Alharethi SS, Alshamrani MM, Alharthi OF, Alhalafi AH. Awareness and Uptake of COVID-19 Vaccines Among the Residents of Bisha in Saudi Arabia. Cureus 2024; 16:e66265. [PMID: 39238740 PMCID: PMC11375985 DOI: 10.7759/cureus.66265] [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: 07/08/2024] [Accepted: 08/06/2024] [Indexed: 09/07/2024] Open
Abstract
OBJECTIVE Even though COVID-19 is no longer in an acute pandemic phase, sustaining awareness and promoting the uptake of COVID-19 vaccines are crucial for preventing future outbreaks and protecting public health. This study explores the awareness and uptake of COVID-19 vaccines among residents of Bisha, Asir province. It examines sources of information, healthcare providers' influence, and community engagement initiatives. The findings can inform future public health policies and strategies, supporting efforts to control the spread of the pandemic and enhance community resilience. METHODS The cross-sectional study was administered to the adult population in Bisha. The study involved a total of 220 respondents. Data were collected using a questionnaire and analyzed using SPSS version 27 to obtain essential insights. RESULTS Most respondents (n = 204, 92.73%) reported receiving information about COVID-19 vaccines from healthcare professionals, other people, and family members. The study also revealed that only 46 (20.9%) individuals had exposure to COVID-19, with 36 (78.26%) reporting infection before vaccination and only 10 (21.74%) reporting infection after vaccination. Regarding COVID-19 vaccine first-dose uptake, less than half (27.73%) of the respondents had received the first dose. Among those who took the first dose, 29 (47.54%) took the second dose, while 32 (52.46%) did not. It also shows a statistically significant difference in COVID-19 vaccine uptake based on the participant's age, gender, education level, comorbidity, smoking status, and place of residence (P < 0.05). CONCLUSION There was a significantly high level of awareness about the vaccine, with significant proportions of respondents indicating their willingness to take preventive measures even after vaccination. However, vaccine uptake remains below optimal levels, with various reasons cited for non-vaccination, including concerns about vaccine availability, efficacy, and side effects. Healthcare professionals should intensify public education efforts and ensure the availability of vaccines in various forms at hospitals to address this issue.
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11
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Abukhalil AD, Abushehadeh RR, Shatat SS, Al-Shami N, Naseef HA, Ladadweh H, Madia R. COVID-19 Vaccines Breakthrough Infections and Adverse Effects Reported by the Birzeit University Community in Palestine. Int J Gen Med 2024; 17:3349-3360. [PMID: 39100722 PMCID: PMC11297544 DOI: 10.2147/ijgm.s466838] [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: 05/17/2024] [Accepted: 07/20/2024] [Indexed: 08/06/2024] Open
Abstract
Background Coronavirus disease (COVID-19) vaccines play an essential role in boosting immunity, preventing severe diseases, and alleviating the Covid-19 health crisis. Objective This study aimed to explore the type and severity of short-term adverse reactions associated with BNT162 (Pfizer-BioNTech), mRNA 1273 (Moderna), and viral vector vaccines and to compare the incidence of post-vaccination Covid-19 infection among the Birzeit University community in Palestine. Methods This questionnaire-based retrospective cross-sectional study was conducted among individuals who were vaccinated with at least one dose of any COVID-19 vaccine offered in Palestine during the COVID-19 pandemic. The study included participants aged 18 years and older who were vaccinated with Pfizer, Moderna, Sputnik Light, or Sputnik v. Results A total of 558 participants who were administered COVID-19 vaccine were included in the study. Sputnik (239), Pfizer vaccine recipients (236), and Moderna vaccine recipients (83). Of the viral vector vaccine recipients, 57 (23.8%) had a post-vaccination infection, compared to 30 (12.7%) for Pfizer and seven (8.4%) for Moderna. Furthermore, the reported adverse effects in the viral victor group were higher than those in the Moderna and Pfizer groups (71.7, 66.3, and 61.9%, respectively). Chills, headache, fatigue, abdominal pain, and joint pain were significantly higher in the Viral Vector vaccine group than the Moderna and Pfizer vaccine. Vomiting, tiredness, and fatigue were significantly less likely to be complained of by Pfizer vaccine recipients compared to Moderna and Viral Vector vaccine recipients (p < 0.05). Conclusions Breakthrough infections were associated with both viral vectors and mRNA; however, the mRNA vaccine had less reported post-vaccine infection. Furthermore, the Pfizer/BioNTech COVID-19 vaccine group reported fewer commonly reported side effects (fever, chills, headache, fatigue, muscle pain, joint pain, nausea, and dizziness), followed by the Moderna and viral vector vaccines. Females and underweight participants experienced more adverse effects with both vaccines, and fewer common side effects were reported by all participants.
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Affiliation(s)
- Abdallah Damin Abukhalil
- Faculty of Pharmacy, Nursing and Health Professions, Birzeit University, Birzeit, West Bank, Palestine
| | - Raya Riyad Abushehadeh
- Faculty of Pharmacy, Nursing and Health Professions, Birzeit University, Birzeit, West Bank, Palestine
| | - Sireen Sultan Shatat
- Faculty of Pharmacy, Nursing and Health Professions, Birzeit University, Birzeit, West Bank, Palestine
| | - Ni’meh Al-Shami
- Faculty of Pharmacy, Nursing and Health Professions, Birzeit University, Birzeit, West Bank, Palestine
| | - Hani A Naseef
- Faculty of Pharmacy, Nursing and Health Professions, Birzeit University, Birzeit, West Bank, Palestine
| | - Hosniyeh Ladadweh
- Faculty of Pharmacy, Nursing and Health Professions, Birzeit University, Birzeit, West Bank, Palestine
| | - Raed Madia
- Faculty of Pharmacy, Nursing and Health Professions, Birzeit University, Birzeit, West Bank, Palestine
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12
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Shukla N, Shamim U, Agarwal P, Pandey R, Narayan J. From bench to bedside: potential of translational research in COVID-19 and beyond. Brief Funct Genomics 2024; 23:349-362. [PMID: 37986554 DOI: 10.1093/bfgp/elad051] [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: 09/07/2023] [Revised: 10/25/2023] [Accepted: 11/02/2023] [Indexed: 11/22/2023] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and coronavirus disease 2019 (COVID-19) have been around for more than 3 years now. However, due to constant viral evolution, novel variants are emerging, leaving old treatment protocols redundant. As treatment options dwindle, infection rates continue to rise and seasonal infection surges become progressively common across the world, rapid solutions are required. With genomic and proteomic methods generating enormous amounts of data to expand our understanding of SARS-CoV-2 biology, there is an urgent requirement for the development of novel therapeutic methods that can allow translational research to flourish. In this review, we highlight the current state of COVID-19 in the world and the effects of post-infection sequelae. We present the contribution of translational research in COVID-19, with various current and novel therapeutic approaches, including antivirals, monoclonal antibodies and vaccines, as well as alternate treatment methods such as immunomodulators, currently being studied and reiterate the importance of translational research in the development of various strategies to contain COVID-19.
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Affiliation(s)
- Nityendra Shukla
- CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), Mall Road, Near Jubilee Hall, New Delhi, 110007, India
| | - Uzma Shamim
- CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), Mall Road, Near Jubilee Hall, New Delhi, 110007, India
| | - Preeti Agarwal
- CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), Mall Road, Near Jubilee Hall, New Delhi, 110007, India
| | - Rajesh Pandey
- CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), Mall Road, Near Jubilee Hall, New Delhi, 110007, India
| | - Jitendra Narayan
- CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), Mall Road, Near Jubilee Hall, New Delhi, 110007, India
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13
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Nwachukwu G, Rihan A, Nwachukwu E, Uduma N, Elliott KS, Tiruneh YM. Understanding COVID-19 Vaccine Hesitancy in the United States: A Systematic Review. Vaccines (Basel) 2024; 12:747. [PMID: 39066385 PMCID: PMC11281578 DOI: 10.3390/vaccines12070747] [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: 06/01/2024] [Revised: 06/21/2024] [Accepted: 06/28/2024] [Indexed: 07/28/2024] Open
Abstract
The COVID-19 pandemic has presented the importance of vaccination as a pivotal strategy for controlling its spread. However, vaccine hesitancy poses a significant barrier to achieving widespread immunization in the United States. This systematic review utilizes the 5C model to examine the factors contributing to hesitancy, which include confidence in vaccines, complacency about disease risk, calculations of individual benefit, convenience of vaccination, and collective responsibility for the protection of others. METHODS We conducted a comprehensive search across several relevant databases and the gray literature, identifying 544 studies that used quantitative and qualitative methods to explore COVID-19 vaccine hesitancy in the general U.S. POPULATION RESULTS This review identifies a complex interplay of factors affecting hesitancy, such as concerns over vaccine safety and efficacy, misinformation and conspiracy theories, demographic variables, and socioeconomic conditions. Key strategies for increasing vaccine uptake include transparent and effective communication along with proactive community engagement. CONCLUSIONS To effectively mitigate vaccine hesitancy, it is crucial to understand its multifaceted causes. Tailored interventions that consider socioeconomic and cultural contexts and prioritize clear communication, community involvement, and specific strategies to address unique concerns can enhance vaccine acceptance.
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Affiliation(s)
- Godspower Nwachukwu
- Department of Public Health, School of Health Professions, University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA;
| | - Alaa Rihan
- Department of Preventive Medicine and Population Health, School of Medicine, University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA;
| | - Esther Nwachukwu
- Department of Biology, University of Texas at Tyler, Tyler, TX 75799, USA; (E.N.); (N.U.)
| | - Ndukwe Uduma
- Department of Biology, University of Texas at Tyler, Tyler, TX 75799, USA; (E.N.); (N.U.)
| | - Kimberly S. Elliott
- Department of Health Policy, Economics and Management, School of Health Professions, University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA;
| | - Yordanos M. Tiruneh
- Department of Preventive Medicine and Population Health, School of Medicine, University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA;
- Department of Internal Medicine, Division of Infectious Diseases, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
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14
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Sallam M, Kareem N, Alkurtas M. The negative impact of misinformation and vaccine conspiracy on COVID-19 vaccine uptake and attitudes among the general public in Iraq. Prev Med Rep 2024; 43:102791. [PMID: 38947232 PMCID: PMC11214192 DOI: 10.1016/j.pmedr.2024.102791] [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: 01/19/2024] [Revised: 05/17/2024] [Accepted: 06/06/2024] [Indexed: 07/01/2024] Open
Abstract
Background Vaccine hesitancy is a major barrier to infectious disease control. Previous studies showed high rates of COVID-19 vaccine hesitancy in the Middle East. The current study aimed to investigate the attitudes towards COVID-19 vaccination and COVID-19 vaccine uptake among adult population in Iraq. Methods This self-administered survey-based study was conducted in August-September 2022. The survey instrument assessed participants' demographics, attitudes to COVID-19 vaccination, beliefs in COVID-19 misinformation, vaccine conspiracy beliefs, and sources of information regarding the vaccine. Results The study sample comprised a total of 2544 individuals, with the majority reporting the uptake of at least one dose of COVID-19 vaccination (n = 2226, 87.5 %). Positive attitudes towards COVID-19 vaccination were expressed by the majority of participants (n = 1966, 77.3 %), while neutral and negative attitudes were expressed by 345 (13.6 %) and 233 (9.2 %) participants, respectively. Factors associated with positive attitudes towards COVID-19 vaccination in multivariate analysis included disbelief in COVID-19 misinformation and disagreement with vaccine conspiracies. Higher COVID-19 vaccine uptake was significantly associated with previous history of COVID-19 infection, higher income, residence outside the Capital, disbelief in COVID-19 misinformation, disagreement with vaccine conspiracies, and reliance on reputable information sources. Conclusion COVID-19 vaccine coverage was high among the participants, with a majority having positive attitudes towards COVID-19 vaccination. Disbelief in COVID-19 misinformation and disagreement with vaccine conspiracies were correlated with positive vaccine attitudes and higher vaccine uptake. These insights can inform targeted interventions to enhance vaccination campaigns.
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Affiliation(s)
- Malik Sallam
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman, Jordan
- Department of Clinical Laboratories and Forensic Medicine, Jordan University Hospital, Amman, Jordan
| | - Nariman Kareem
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman, Jordan
| | - Mohammed Alkurtas
- Department of Pathology, Al-Kindy College of Medicine, University of Baghdad, Baghdad, Iraq
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15
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Das A, Sawyer AT, Bagla P. A Rapid Review of the Effects of the COVID-19 Vaccine Among Individuals Taking Clozapine. J Clin Psychopharmacol 2024; 44:397-401. [PMID: 38639430 DOI: 10.1097/jcp.0000000000001854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
BACKGROUND The COVID-19 pandemic prompted the rapid development of vaccines to combat the virus. Several COVID-19 vaccines have proven effective in preventing infection, hospitalization, and death. Vaccination has been especially recommended for vulnerable populations, such as individuals with psychiatric illnesses who face increased risks due to comorbidities and socioeconomic factors. This rapid review identifies and analyzes the effects of COVID-19 vaccines among individuals taking clozapine. METHODS The review included articles from PubMed, OVID, Clinical Key, Web of Science, and Google Scholar, published between September 2020 and December 2023. Inclusion criteria were peer-reviewed journals, English language, patients on clozapine receiving a COVID-19 vaccine, and documented vaccine-related adverse effects. RESULTS Twelve articles were included, consisting of 8 case reports, 1 cross-sectional study, and 3 prospective observational studies, involving 298 subjects, with 9 subjects from case reports. After the first vaccine dose, 27 of 248 subjects experienced adverse effects, with 1 case report advising a temporary halt and dose reduction of clozapine. The subject in this case was admitted in a delirious state 4 days after vaccination with repeated falls and urinary incontinence; active infectious and neurologic etiologies were ruled out. Second dose data were available for 261 subjects, with 31 reporting adverse effects. Adverse effects included hematological changes, delirious state, seizures, and fever. CONCLUSIONS The review suggests that individuals on clozapine receiving COVID-19 vaccines may experience adverse effects. Clozapine levels and immune system interactions should be monitored in these cases.
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16
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Dao TL, Nguyen TK, Nguyen XB, Le KD, Duong KL, Bui DM, Nguyen Le CA, Hoang VT. Urinary incontinence after COVID-19 vaccination: a case study in an 8-year-old boy. Clin Exp Vaccine Res 2024; 13:259-262. [PMID: 39144124 PMCID: PMC11319116 DOI: 10.7774/cevr.2024.13.3.259] [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: 03/08/2024] [Revised: 04/02/2024] [Accepted: 06/29/2024] [Indexed: 08/16/2024] Open
Abstract
There have been many studies on the adverse effects of coronavirus disease 2019 (COVID-19) vaccines but the urinary incontinence after COVID-19 vaccination is rare. Here, we report an 8-year-old boy presented to outpatient department, Thai Binh University of Medicine Hospital, Thai Binh, Vietnam with complaints of urinary incontinence for the past 2 weeks, following the first dose of the messenger RNA vaccine. He had no other abnormalities in clinical and laboratory exams. This clinical situation suggested vaccine side effects. No specific treatment was administered upon diagnosis without toilet and bladder training. Subsequent monitoring revealed a gradual reduction in symptoms over 2 months, with complete recovery achieved at the 14th week from the onset of symptoms, without necessitating any medical intervention. This case highlights the need for thorough evaluation and assessment of potential adverse effects following vaccination, including uncommon presentations.
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Affiliation(s)
- Thi Loi Dao
- Thai Binh University of Medicine and Pharmacy, Thai Binh, Vietnam
- Thai Binh Medical University Hospital, Thai Binh, Vietnam
| | - Trung Kien Nguyen
- Thai Binh University of Medicine and Pharmacy, Thai Binh, Vietnam
- Thai Binh Medical University Hospital, Thai Binh, Vietnam
| | - Xuan Bai Nguyen
- Thai Binh University of Medicine and Pharmacy, Thai Binh, Vietnam
- Thai Binh Medical University Hospital, Thai Binh, Vietnam
| | - Kieu Dung Le
- Thai Binh University of Medicine and Pharmacy, Thai Binh, Vietnam
| | - Khanh Linh Duong
- Thai Binh University of Medicine and Pharmacy, Thai Binh, Vietnam
| | - Duc Manh Bui
- Thai Binh University of Medicine and Pharmacy, Thai Binh, Vietnam
| | | | - Van Thuan Hoang
- Thai Binh University of Medicine and Pharmacy, Thai Binh, Vietnam
- Thai Binh Medical University Hospital, Thai Binh, Vietnam
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Raji T, Fallah MP, Dereje N, Kakooza F, Ndembi N, Abdulaziz M, Aragaw M, Kaseya J, Ngongo AN. Efficacy and effectiveness of COVID-19 vaccines in Africa: A systematic review. PLoS One 2024; 19:e0306309. [PMID: 38941303 PMCID: PMC11213354 DOI: 10.1371/journal.pone.0306309] [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: 01/30/2024] [Accepted: 06/15/2024] [Indexed: 06/30/2024] Open
Abstract
BACKGROUND Data on COVID-19 vaccine effectiveness to support regional vaccine policy and practice are limited in Africa. Thus, this review aimed to evaluate the efficacy and effectiveness of COVID-19 vaccines administered in Africa. METHODS We systematically searched peer-reviewed randomized controlled trials (RCTs), prospective and retrospective cohort studies, and case-control studies that reported on VE in Africa. We carried out a risk of bias assessment, and the findings of this review were synthesized and presented in a narrative form, including tables and figures. The synthesis was focused on COVID-19 VE against various levels of the disease condition and outcomes (infection, hospitalization or critical, and death), time points, and variants of concern. RESULTS A total of 13 studies, with a total sample size of 913,285 participants, were included in this review. The majority (8/13) of studies were from South Africa and 38.5% (5/13) were randomized clinical trials. The studies reported that a full dose of Pfizer-BioNTech vaccine had a VE of 100% against COVID-19 infection by Beta (B.1.351) and Delta variants and 96.7% against hospitalization by Delta variant. The Johnson and Johnson vaccine had VE ranging from 38.1%-62.0% against hospitalization and 51.9%- 86% against critical disease by Beta (B 1.351) variant. The Oxford-AstraZeneca vaccine had a VE of 89.4% against hospitalization by the Omicron variant but was not effective against the B.1.351 variant (10.4%). The Sinopharm vaccine had a VE of 67% against infection and 46% against hospitalization by Delta variant. CONCLUSIONS COVID-19 vaccines administered in Africa were effective in preventing infections, hospitalization, and death. These review findings underscore the need for concerted efforts of all stakeholders to enhance the access and availability of COVID-19 vaccines and reinforce public awareness to reach the high-risk, unvaccinated group of the African population.
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Affiliation(s)
- Tajudeen Raji
- Africa Centres for Disease Control and Prevention (Africa CDC), Addis Ababa, Ethiopia
| | - Mosoka Papa Fallah
- Africa Centres for Disease Control and Prevention (Africa CDC), Addis Ababa, Ethiopia
| | - Nebiyu Dereje
- Africa Centres for Disease Control and Prevention (Africa CDC), Addis Ababa, Ethiopia
| | - Francis Kakooza
- Infectious Diseases Institute, Makerere University, Kampala, Uganda
| | - Nicaise Ndembi
- Africa Centres for Disease Control and Prevention (Africa CDC), Addis Ababa, Ethiopia
| | - Mohammed Abdulaziz
- Africa Centres for Disease Control and Prevention (Africa CDC), Addis Ababa, Ethiopia
| | - Merawi Aragaw
- Africa Centres for Disease Control and Prevention (Africa CDC), Addis Ababa, Ethiopia
| | - Jean Kaseya
- Africa Centres for Disease Control and Prevention (Africa CDC), Addis Ababa, Ethiopia
| | - Alain Ngashi Ngongo
- Africa Centres for Disease Control and Prevention (Africa CDC), Addis Ababa, Ethiopia
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18
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Bailón-Cuenca JA, Cortés-Sarabia K, Legorreta-Soberanis J, Alvarado-Castro VM, Juárez-Baltazar U, Sánchez-Gervacio BM, Vences-Velázquez A, Leyva-Vázquez MA, Del Moral-Hernández O, Illades-Aguiar B. Detection of IgG antibodies against the receptor binding domain of the spike protein and nucleocapsid of SARS-CoV-2 at university students from Southern Mexico: a cross-sectional study. BMC Infect Dis 2024; 24:584. [PMID: 38867165 PMCID: PMC11170790 DOI: 10.1186/s12879-024-09435-5] [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: 12/04/2023] [Accepted: 05/27/2024] [Indexed: 06/14/2024] Open
Abstract
BACKGROUND Natural infection and vaccination against SARS-CoV-2 is associated with the development of immunity against the structural proteins of the virus. Specifically, the two most immunogenic are the S (spike) and N (nucleocapsid) proteins. Seroprevalence studies performed in university students provide information to estimate the number of infected patients (symptomatic or asymptomatic) and generate knowledge about the viral spread, vaccine efficacy, and epidemiological control. Which, the aim of this study was to evaluate IgG antibodies against the S and N proteins of SARS-CoV-2 at university students from Southern Mexico. METHODS A total of 1418 serum samples were collected from eighteen work centers of the Autonomous University of Guerrero. Antibodies were detected by Indirect ELISA using as antigen peptides derived from the S and N proteins. RESULTS We reported a total seroprevalence of 39.9% anti-S/N (positive to both antigens), 14.1% anti-S and 0.5% anti-N. The highest seroprevalence was reported in the work centers from Costa Grande, Acapulco and Centro. Seroprevalence was associated with age, COVID-19, contact with infected patients, and vaccination. CONCLUSION University students could play an essential role in disseminating SARS-CoV-2. We reported a seroprevalence of 54.5% against the S and N proteins, which could be due to the high population rate and cultural resistance to safety measures against COVID-19 in the different regions of the state.
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Affiliation(s)
- Jesús Adolfo Bailón-Cuenca
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
- Laboratorio de Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - Karen Cortés-Sarabia
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - José Legorreta-Soberanis
- Centro de Investigación de Enfermedades Tropicales, Universidad Autónoma de Guerrero, Acapulco, Guerrero, México
| | | | - Ulises Juárez-Baltazar
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | | | - Amalia Vences-Velázquez
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - Marco Antonio Leyva-Vázquez
- Laboratorio de Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - Oscar Del Moral-Hernández
- Laboratorio de Virología, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero. Chilpancingo de los Bravo, Guerrero, México.
| | - Berenice Illades-Aguiar
- Laboratorio de Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México.
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19
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Hu WC, Chiu SK, Yang YF, Singh S. COVID-19 Vaccination Reporting and Adverse Event Analysis in Taiwan. Vaccines (Basel) 2024; 12:591. [PMID: 38932320 PMCID: PMC11209125 DOI: 10.3390/vaccines12060591] [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: 04/05/2024] [Revised: 05/20/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024] Open
Abstract
The COVID-19 pandemic necessitated an urgent global response in vaccine deployment, achieving over 70.6% global vaccination coverage with at least one dose. This study focuses on Taiwan's vaccine administration and adverse event reporting, set against a global backdrop. Using data from Taiwan's Vaccine Adverse Event Reporting System (VAERS) and global vaccination data, this study investigates vaccine safety and the public health implications of vaccination strategies from local and global perspectives. Taiwan's proactive approach, resulting in high vaccination rates, provides a case study for the monitoring and management of vaccine-related adverse events. This study offers insights into the safety profiles of various COVID-19 vaccines and further explores the implications of adverse event reporting rates for vaccine policy and public health strategies. The comparative analysis reveals that, while vaccination has been effective in controlling the virus's spread, safety monitoring remains critical for maintaining public trust. It underscores the necessity of enhanced surveillance and the importance of transparent and tailored risk communication to support informed public health decisions. The findings aim to contribute to the global dialogue on vaccine safety, equitable distribution, evidence-based policy-making, and development of mitigation measures with consideration of local demographics in the ongoing fight against COVID-19.
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Affiliation(s)
- Wan-Chung Hu
- Department of Clinical Pathology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan;
- Department of Medical Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan
- Department of Biotechnology, Ming Chuan University, Taoyuan 333, Taiwan
| | - Sheng-Kang Chiu
- Division of Infection Diseases, Department of Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan;
- School of Medicine, Tzu Chi University, Hualien 970, Taiwan
- Division of Infectious Diseases and Tropical Medicine, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
| | - Ying-Fei Yang
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Sher Singh
- Department of Life Science, School of Life Science, College of Science, National Taiwan Normal University, Taipei 11677, Taiwan
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20
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Teka G, Woldeab A, Dereje N, Eshetu F, Gizachew L, Tazu Z, Lisanwork L, Tigabu E, Gebeyehu A, Tayachew A, Biru M, Berkessa T, Keraleme A, Bikale F, Shure W, Agune A, Haile B, Addis B, Moges M, Gonta M, Hailemariam A, Binkley L, Nawaz S, Wang SH, Mekuria Z, Aklilu A, Aliy J, Lulseged S, Girmay A, Patrick A, Amare B, Delelegn H, Daves S, Yimer G, Abate E, Wossen M, Melaku Z, Gebreyes W, Williams DE, Abayneh A. Regional and temporal variations in COVID-19 cases and deaths in Ethiopia: Lessons learned from the COVID-19 enhanced surveillance and response. PLOS GLOBAL PUBLIC HEALTH 2024; 4:e0003175. [PMID: 38781131 PMCID: PMC11115226 DOI: 10.1371/journal.pgph.0003175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 04/08/2024] [Indexed: 05/25/2024]
Abstract
BACKGROUND The COVID-19 pandemic is one of the most devastating public health emergencies of international concern to have occurred in the past century. To ensure a safe, scalable, and sustainable response, it is imperative to understand the burden of disease, epidemiological trends, and responses to activities that have already been implemented. We aimed to analyze how COVID-19 tests, cases, and deaths varied by time and region in the general population and healthcare workers (HCWs) in Ethiopia. METHODS COVID-19 data were captured between October 01, 2021, and September 30, 2022, in 64 systematically selected health facilities throughout Ethiopia. The number of health facilities included in the study was proportionally allocated to the regional states of Ethiopia. Data were captured by standardized tools and formats. Analysis of COVID-19 testing performed, cases detected, and deaths registered by region and time was carried out. RESULTS We analyzed 215,024 individuals' data that were captured through COVID-19 surveillance in Ethiopia. Of the 215,024 total tests, 18,964 COVID-19 cases (8.8%, 95% CI: 8.7%- 9.0%) were identified and 534 (2.8%, 95% CI: 2.6%- 3.1%) were deceased. The positivity rate ranged from 1% in the Afar region to 15% in the Sidama region. Eight (1.2%, 95% CI: 0.4%- 2.0%) HCWs died out of 664 infected HCWs, of which 81.5% were from Addis Ababa. Three waves of outbreaks were detected during the analysis period, with the highest positivity rate of 35% during the Omicron period and the highest rate of ICU beds and mechanical ventilators (38%) occupied by COVID-19 patients during the Delta period. CONCLUSIONS The temporal and regional variations in COVID-19 cases and deaths in Ethiopia underscore the need for concerted efforts to address the disparities in the COVID-19 surveillance and response system. These lessons should be critically considered during the integration of the COVID-19 surveillance system into the routine surveillance system.
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Affiliation(s)
- Gizaw Teka
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Adane Woldeab
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
- The Ohio State University Global One Health initiative (GOHi), Addis Ababa, Ethiopia
| | | | - Frehywot Eshetu
- Division of Global Health Protection (DGHP), US Centers for Disease Control and Prevention (CDC), Addis Ababa, Ethiopia
| | - Lehageru Gizachew
- The Ohio State University Global One Health initiative (GOHi), Addis Ababa, Ethiopia
| | - Zelalem Tazu
- The Ohio State University Global One Health initiative (GOHi), Addis Ababa, Ethiopia
| | - Leuel Lisanwork
- The Ohio State University Global One Health initiative (GOHi), Addis Ababa, Ethiopia
| | - Eyasu Tigabu
- The Ohio State University Global One Health initiative (GOHi), Addis Ababa, Ethiopia
| | - Ayele Gebeyehu
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Adamu Tayachew
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Mengistu Biru
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | | | | | | | - Wolde Shure
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Admikew Agune
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Bizuwork Haile
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Beza Addis
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Muluken Moges
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Melaku Gonta
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | | | - Laura Binkley
- The Ohio State University Global One Health initiative (GOHi), Columbus, Ohio, United States of America
| | - Saira Nawaz
- The Ohio State University Global One Health initiative (GOHi), Columbus, Ohio, United States of America
| | - Shu-Hua Wang
- The Ohio State University Global One Health initiative (GOHi), Columbus, Ohio, United States of America
- Department of Internal Medicine, The Ohio State University, Columbus, Ohio, United States of America
| | - Zelalem Mekuria
- The Ohio State University Global One Health initiative (GOHi), Columbus, Ohio, United States of America
| | | | - Jemal Aliy
- ICAP at Columbia University, Addis Ababa, Ethiopia
| | | | - Abiy Girmay
- World Health Organization (WHO) Ethiopia Office, Addis Ababa, Ethiopia
| | - Abok Patrick
- World Health Organization (WHO) Ethiopia Office, Addis Ababa, Ethiopia
| | - Berhanu Amare
- Division of Global Health Protection (DGHP), US Centers for Disease Control and Prevention (CDC), Addis Ababa, Ethiopia
| | - Hulemenaw Delelegn
- Division of Global Health Protection (DGHP), US Centers for Disease Control and Prevention (CDC), Addis Ababa, Ethiopia
| | - Sharon Daves
- Division of Global Health Protection (DGHP), US Centers for Disease Control and Prevention (CDC), Addis Ababa, Ethiopia
| | - Getnet Yimer
- University of Pennsylvania, Perelman School of Medicine, Pennsylvania, Philadelphia, United States of America
| | - Ebba Abate
- The Ohio State University Global One Health initiative (GOHi), Addis Ababa, Ethiopia
| | - Mesfin Wossen
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | | | - Wondwossen Gebreyes
- The Ohio State University Global One Health initiative (GOHi), Columbus, Ohio, United States of America
- Department of Veterinary Preventive Medicine, The Ohio State University, Columbus, Ohio, United States of America
| | - Desmond E. Williams
- Division of Global Health Protection (DGHP), US Centers for Disease Control and Prevention (CDC), Addis Ababa, Ethiopia
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Doğan HO, Budak M, Doğan K, Zararsız GE, Yerlitaş Sİ, Bolat S, Şenol O, Büyüktuna SA, Pınarbaşı E, Sarıismailoğlu R, Yavuz H. Dysregulated Leukotriene Metabolism in Patients with COVID-19. Jpn J Infect Dis 2024; 77:129-136. [PMID: 38171849 DOI: 10.7883/yoken.jjid.2023.211] [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: 01/05/2024]
Abstract
This study aimed to examine the leukotriene metabolism during COVID-19. In total, 180 participants were included in this study, of which 60 were healthy controls, 60 required intensive care units (ICU), and 60 did not require intensive care (non-ICU). The serum levels of 5-lipoxygenase (5-LO), 5-LO activating protein (ALOX5AP), and cysteinyl leukotriene (CYSLT) were measured, and the mRNA expression levels of 5-LO, ALOX5AP, and cysteinyl leukotriene receptor 1 (CYSLTR1) were investigated. Compared with the control group, both the non-ICU and ICU groups had lower levels of 5-LO and mRNA expression. ICU patients had lower levels of 5-LO and mRNA expression than non-ICU patients. CYSLTR1 mRNA expression was highest in the ICU group, followed by the non-ICU group, and healthy controls had the lowest mRNA expression levels. CYSLT levels were higher in the control group than in the non-ICU and ICU groups. CYSLTR1 expression was higher in patients than in controls; therefore, selective leukotriene receptor blockers can be used as treatment options. CYSLTR1 expression was higher in the ICU group than in the non-ICU group. Furthermore, CYSLTR1 mRNA expression may be a promising biomarker of COVID-19 severity.
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Affiliation(s)
- Halef Okan Doğan
- Department of Biochemistry, School of Medicine, Sivas Cumhuriyet University, Turkey
| | - Mahir Budak
- Department of Molecular Biology and Genetics, Faculty of Science, Sivas Cumhuriyet University, Turkey
| | - Kübra Doğan
- Department of Biochemistry, Sivas Numune Hospital, Turkey
| | - Gözde Ertürk Zararsız
- Department of Biostatistics, School of Medicine, Erciyes University, Turkey
- Drug Application and Research Center (ERFARMA), Erciyes University, Turkey
| | - Serra İlayda Yerlitaş
- Department of Biostatistics, School of Medicine, Erciyes University, Turkey
- Drug Application and Research Center (ERFARMA), Erciyes University, Turkey
| | - Serkan Bolat
- Department of Biochemistry, School of Medicine, Sivas Cumhuriyet University, Turkey
| | - Onur Şenol
- Department of Analytical Chemistry, Faculty of Pharmacy, Atatürk University, Turkey
| | - Seyit Ali Büyüktuna
- Department of Infectious Diseases and Clinic Microbiology, School of Medicine, Sivas Cumhuriyet University, Turkey
| | - Ergun Pınarbaşı
- Department of Medical Biology, School of Medicine, Sivas Cumhuriyet University, Turkey
| | | | - Hayrettin Yavuz
- Division of Pediatric Nephrology, Department of Pediatrics, University of Virginia, VA, USA
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22
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Lazarus JV, Pujol-Martinez C, Kopka CJ, Batista C, El-Sadr WM, Saenz R, El-Mohandes A. Implications from COVID-19 for future pandemic global health governance. Clin Microbiol Infect 2024; 30:576-581. [PMID: 37011809 PMCID: PMC10065870 DOI: 10.1016/j.cmi.2023.03.027] [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: 12/09/2022] [Revised: 03/13/2023] [Accepted: 03/25/2023] [Indexed: 04/03/2023]
Abstract
BACKGROUND Limitations of current global health governance revealed during the COVID-19 pandemic can inform the ongoing deliberations of an international treaty on pandemics. OBJECTIVES To report on WHO definitions for governance and the enforcement of treaties in the context of a proposed international treaty on pandemics. SOURCES This narrative review was based on keyword searches related to public health, global health governance, and enforcement in PubMed/Medline and Google Scholar. Snowballing for additional articles followed the keyword search review. CONTENT WHO lacks a consistent definition of global health governance. Moreover, in its current state, the proposed international treaty on pandemics lacks articulated compliance, accountability, or enforcement mechanisms. Findings reveal that humanitarian treaties often fail to achieve their aims absent clear enforcement mechanisms. The proposed international treaty on public health is garnering a range of perspectives. Decision-makers should evaluate whether a globally aligned definition of global health governance is needed. Decision-makers should also consider whether the proposed international treaty on pandemics should be opposed if it lacks sufficiently clear compliance, accountability, and enforcement mechanisms. IMPLICATIONS To our knowledge, this narrative review is believed to be the first of its kind to search scientific-oriented databases regarding governance and international pandemic treaties. The review includes several findings that advance the literature. These findings, in turn, reveal two key implications for decision-makers. First, whether an aligned definition for governance addressing compliance, accountability, and enforcement mechanisms is needed. Second, whether a draft treaty lacking enforcement mechanisms should be approved.
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Affiliation(s)
- Jeffrey V Lazarus
- Health Systems Research Group, Barcelona Institute for Global Health, Barcelona, Spain; City University of New York Graduate School of Public Health and Health Policy, New York City, NY, USA; Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.
| | - Cristina Pujol-Martinez
- Health Systems Research Group, Barcelona Institute for Global Health, Barcelona, Spain; Department of Political Science, Faculty of Law, University of Barcelona, Barcelona, Spain
| | | | - Carolina Batista
- Department of Global Health Affairs, Baraka Impact Finance, Geneva, Switzerland
| | - Wafaa M El-Sadr
- International Center for AIDS Care and Treatment Programs at Columbia University, Mailman School of Public Health, New York, NY, USA
| | - Rocio Saenz
- School of Public Health, University of Costa Rica, San José, Costa Rica
| | - Ayman El-Mohandes
- City University of New York Graduate School of Public Health and Health Policy, New York City, NY, USA
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23
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Nangsue C, Srisurapanont K, Sudjaritruk T. A Comparison of the Immunogenicity and Safety of an Additional Heterologous versus Homologous COVID-19 Vaccination among Non-Seroconverted Immunocompromised Patients after a Two-Dose Primary Series of mRNA Vaccination: A Systematic Review and Meta-Analysis. Vaccines (Basel) 2024; 12:468. [PMID: 38793719 PMCID: PMC11125606 DOI: 10.3390/vaccines12050468] [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: 03/09/2024] [Revised: 04/14/2024] [Accepted: 04/25/2024] [Indexed: 05/26/2024] Open
Abstract
This systematic review and meta-analysis aimed to compare the immunogenicity and safety of an additional heterologous (viral vector) versus homologous (mRNA) COVID-19 vaccine dose among non-seroconverted immunocompromised patients after a two-dose primary series of mRNA vaccine. We searched studies published up to 21 June 2023 in PubMed, Scopus, and Embase. The meta-analysis was conducted to compare the seropositivity rates based on anti-SARS-CoV-2 spike protein IgG (anti-S IgG) and SARS-CoV-2-specific T-cell immune response rates, assessed by interferon-γ release assay at 4 weeks, and the incidences of serious adverse events (SAEs) within 28 days between the two vaccine regimens. In four included randomized controlled trials (RCTs), there were no statistically significant differences in the seropositive rate of anti-S IgG (risk ratio [RR]: 0.79, 95% CI: 0.48-1.29) and the concentration of SARS-CoV-2 interferon-γ (RR: 1.19, 95% CI: 0.96-1.48) between heterologous and homologous regimens. The heterologous regimen exhibited a significantly lower incidence of injection pain (RR: 0.55, 95% CI: 0.45-0.69), but a higher incidence of headache (RR: 1.44, 95% CI: 1.02-2.02) compared with the homologous regimen. No vaccine-related SAEs were reported within 28 days following vaccination. An additional heterologous or homologous COVID-19 vaccine dose was well tolerated and demonstrated a comparable vaccine immunogenicity among non-seroconverted immunocompromised patients who were initially vaccinated with a two-dose COVID-19 mRNA vaccine. This finding supports the recommendations of an extended primary series of COVID-19 vaccination in immunocompromised persons.
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Affiliation(s)
- Chatchaya Nangsue
- Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (C.N.); (K.S.)
| | - Karan Srisurapanont
- Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (C.N.); (K.S.)
| | - Tavitiya Sudjaritruk
- Division of Infectious Diseases, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
- Clinical and Molecular Epidemiology of Emerging and Re-Emerging Infectious Diseases Research Cluster, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
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24
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Costa C, Moniati F. The Epidemiology of COVID-19 Vaccine-Induced Myocarditis. Adv Med 2024; 2024:4470326. [PMID: 38681683 PMCID: PMC11045291 DOI: 10.1155/2024/4470326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 02/26/2024] [Accepted: 03/28/2024] [Indexed: 05/01/2024] Open
Abstract
Background In December 2019, the emergence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) led to the COVID-19 pandemic, with millions of deaths worldwide. Vaccine breakthroughs in late 2020 resulted in the authorization of COVID-19 vaccines. While these vaccines have demonstrated efficacy, evidence from vaccine safety monitoring systems around the globe supported a causal association between COVID-19 vaccines, in particular those using mRNA technology, i.e., Moderna's mRNA-1273 and Pfizer-BioNTech's BNT162b2, and myocarditis. Objective This paper aims to investigate the epidemiology of mRNA COVID-19 vaccine-induced myocarditis, including age, ethnicity, and gender associations with these vaccines. It also discusses the immunopathophysiological mechanisms of mRNA COVID-19 vaccine-associated myocarditis and outlines principles of diagnosis, clinical presentation, and management. Methods A literature review was conducted using PubMed, Embase, and Queen Mary University of London Library Services databases. Search terms included "myocarditis," "coronavirus disease 2019," "SARS-CoV-2," "mRNA Covid-19 vaccines," "Covid vaccine-associated myocarditis," "epidemiology," "potential mechanisms," "myocarditis diagnosis," and "myocarditis management." Results While the definite mechanism of mRNA COVID-19 vaccine-associated myocarditis remains ambiguous, potential mechanisms include molecular mimicry of spike proteins and activation of the adaptive immune response with dysregulated cytokine expression. Male predominance in COVID-19 vaccine-induced myocarditis may be attributed to sex hormones, variations in inflammatory reactions, coagulation states based on gender, and female-specific protective factors. Moreover, an analysis of diagnostic and management strategies reveals a lack of consensus on acute patient presentation management. Conclusion In contrast to viral infections that stand as the predominant etiological factor for myocarditis with more severe consequences, the mRNA COVID-19 vaccination elicits a mild and self-limiting manifestation of the condition. There is currently insufficient evidence to confirm the definite underlying mechanism of COVID-19 vaccine-associated myocarditis. Further research is needed to develop preventive and therapeutic solutions in this context.
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Affiliation(s)
| | - Foteini Moniati
- Queen Mary University of London, Barts and the London School of Medicine and Dentistry, London, UK
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25
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Schmachtenberg T, Königs G, Roder S, Müller F, Müllenmeister C, Schröder D, El-Sayed I. How do people with long COVID utilize COVID-19 vaccination and rehabilitation services and what are their experiences with these services? results of a qualitative study with 48 participants from Germany. BMC Public Health 2024; 24:915. [PMID: 38549052 PMCID: PMC10976759 DOI: 10.1186/s12889-024-18380-6] [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: 10/09/2023] [Accepted: 03/18/2024] [Indexed: 04/01/2024] Open
Abstract
BACKGROUND Studies estimate that at least 7.5% of adults are affected by long-term symptoms such as fatigue or cognitive impairment after the acute phase of COVID-19. COVID-19 vaccination may reduce the risk of long COVID. Rehabilitation can have a positive impact on recovery. This study aims to present the experiences of people with long COVID with COVID-19 vaccination and rehabilitation. Such research is important because perceptions of these measures can impact healthcare utilization and health status. METHODS 48 adults with long COVID participated in this qualitative study, 25 of them in one-on-one interviews and 23 in focus groups. Participants were recruited via calls for participation on the websites and social media channels of two university hospitals and with the help of respondents' networks. The conversations were audio-recorded, transcribed, and analyzed using qualitative content analysis. Subsequently, the results were compared, interpreted, and discussed by scientific literature. RESULTS 35 study participants reported that they had received a COVID-19 vaccination and 16 of them stated that they had utilized a rehabilitation service. These participants had varying experiences with COVID-19 vaccination and rehabilitation. Nine of them stated that they developed long COVID despite vaccination before COVID-19. Ten participants reported vaccine reactions, and two participants reported severe side effects. Two participants reported persistent deterioration of their long COVID symptoms after vaccination. This led to uncertainty about the safety, benefits, and handling of COVID-19 vaccination. However, most participants perceived the vaccine as effective regarding milder COVID-19 sequelae. Four participants felt their rehabilitation was helpful and four participants felt it was unhelpful. Two persons found the combination of inpatient rehabilitation and rehabilitation sport helpful. CONCLUSIONS Several implications can be derived from this study: (1) researchers should explore the effects of COVID-19 vaccination on long COVID symptoms; (2) vaccination campaigns should be more responsive to the perspectives of people with long COVID on vaccination; (3) care planners should build rehabilitation facilities specialized in long COVID; (4) rehabilitation providers should train their professionals regarding long COVID and develop rehabilitation programs tailored to different clinical pictures. TRIAL REGISTRATION German register for clinical trials DRKS00026007, 09 September 2021.
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Affiliation(s)
- Tim Schmachtenberg
- Department of General Practice, University Medical Center Göttingen, Humboldtallee 38, 37073, Göttingen, Germany.
- Department of Rheumatology and Immunology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
| | - Gloria Königs
- Department of General Practice, University Medical Center Göttingen, Humboldtallee 38, 37073, Göttingen, Germany
| | - Sascha Roder
- Department of General Practice, University Medical Center Göttingen, Humboldtallee 38, 37073, Göttingen, Germany
- Department of Social Work, University of Applied Sciences and Arts Bielefeld, Interaktion 1, 33619, Bielefeld, Germany
| | - Frank Müller
- Department of General Practice, University Medical Center Göttingen, Humboldtallee 38, 37073, Göttingen, Germany
- Department of Family Medicine, College of Human Medicine, Michigan State University, 15 Michigan St NE, Grand Rapids, 49503, East Lansing, MI, USA
| | - Christina Müllenmeister
- Department of General Practice, University Medical Center Göttingen, Humboldtallee 38, 37073, Göttingen, Germany
| | - Dominik Schröder
- Department of General Practice, University Medical Center Göttingen, Humboldtallee 38, 37073, Göttingen, Germany
| | - Iman El-Sayed
- Department of General Practice, University Medical Center Göttingen, Humboldtallee 38, 37073, Göttingen, Germany
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26
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Clever S, Limpinsel L, Meyer zu Natrup C, Schünemann LM, Beythien G, Rosiak M, Hülskötter K, Gregor KM, Tuchel T, Kalodimou G, Freudenstein A, Kumar S, Baumgärtner W, Sutter G, Tscherne A, Volz A. Single MVA-SARS-2-ST/N Vaccination Rapidly Protects K18-hACE2 Mice against a Lethal SARS-CoV-2 Challenge Infection. Viruses 2024; 16:417. [PMID: 38543782 PMCID: PMC10974247 DOI: 10.3390/v16030417] [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: 02/09/2024] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 05/23/2024] Open
Abstract
The sudden emergence of SARS-CoV-2 demonstrates the need for new vaccines that rapidly protect in the case of an emergency. In this study, we developed a recombinant MVA vaccine co-expressing SARS-CoV-2 prefusion-stabilized spike protein (ST) and SARS-CoV-2 nucleoprotein (N, MVA-SARS-2-ST/N) as an approach to further improve vaccine-induced immunogenicity and efficacy. Single MVA-SARS-2-ST/N vaccination in K18-hACE2 mice induced robust protection against lethal respiratory SARS-CoV-2 challenge infection 28 days later. The protective outcome of MVA-SARS-2-ST/N vaccination correlated with the activation of SARS-CoV-2-neutralizing antibodies (nABs) and substantial amounts of SARS-CoV-2-specific T cells especially in the lung of MVA-SARS-2-ST/N-vaccinated mice. Emergency vaccination with MVA-SARS-2-ST/N just 2 days before lethal SARS-CoV-2 challenge infection resulted in a delayed onset of clinical disease outcome in these mice and increased titers of nAB or SARS-CoV-2-specific T cells in the spleen and lung. These data highlight the potential of a multivalent COVID-19 vaccine co-expressing S- and N-protein, which further contributes to the development of rapidly protective vaccination strategies against emerging pathogens.
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Affiliation(s)
- Sabrina Clever
- Institute of Virology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (S.C.); (C.M.z.N.); (L.-M.S.)
| | - Leonard Limpinsel
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Christian Meyer zu Natrup
- Institute of Virology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (S.C.); (C.M.z.N.); (L.-M.S.)
| | - Lisa-Marie Schünemann
- Institute of Virology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (S.C.); (C.M.z.N.); (L.-M.S.)
| | - Georg Beythien
- Department of Pathology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (G.B.); (M.R.); (K.H.); (K.M.G.); (W.B.)
| | - Malgorzata Rosiak
- Department of Pathology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (G.B.); (M.R.); (K.H.); (K.M.G.); (W.B.)
| | - Kirsten Hülskötter
- Department of Pathology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (G.B.); (M.R.); (K.H.); (K.M.G.); (W.B.)
| | - Katharina Manuela Gregor
- Department of Pathology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (G.B.); (M.R.); (K.H.); (K.M.G.); (W.B.)
| | - Tamara Tuchel
- Institute of Virology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (S.C.); (C.M.z.N.); (L.-M.S.)
| | - Georgia Kalodimou
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Astrid Freudenstein
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Satendra Kumar
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (G.B.); (M.R.); (K.H.); (K.M.G.); (W.B.)
| | - Gerd Sutter
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Alina Tscherne
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Asisa Volz
- Institute of Virology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (S.C.); (C.M.z.N.); (L.-M.S.)
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27
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Hassanzadeh S, Suleiman A, Correia JJ, Montazerin SM. COVID-19 vaccines-associated Takotsubo cardiomyopathy: A narrative review. LE INFEZIONI IN MEDICINA 2024; 32:1-11. [PMID: 38456019 PMCID: PMC10917559 DOI: 10.53854/liim-3201-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Accepted: 02/13/2024] [Indexed: 03/09/2024]
Abstract
Takotsubo cardiomyopathy (TTC) is a severe, acute, reversible, and self-limited cardiac dysfunction. It usually affects postmenopausal women and is mostly triggered by physical or emotional stressors. Following the COVID-19 pandemic, millions of doses of different types of COVID-19 vaccines are being administered globally. There have been reports of different cardiac complications after receiving COVID-19 vaccines. To our knowledge, there have been 16 reported cases of COVID-19 vaccination-associated TTC. In this study, we first provide a brief overview of TTC and then an overview of selected reported TTC cases following COVID-19 vaccinations. It is crucial to highlight that the occurrence of TTC after vaccination does not establish a direct cause-and-effect relationship between immunization and TTC. Further investigations are necessary to examine any potential association between COVID-19 vaccines and the incidence of TTC. Additionally, the benefits of receiving COVID-19 vaccines significantly outweigh the potential risks of developing adverse events.
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Affiliation(s)
- Shakiba Hassanzadeh
- Department of Pathology, East Carolina University, Greenville, North Carolina, USA
| | - Addi Suleiman
- Department of Cardiology, Saint Michael’s Medical Center, Newark, New Jersey, USA
| | - Joaquim J. Correia
- Department of Cardiology and Electrophysiology, Saint Michael’s Medical Center, Newark, New Jersey, USA
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Chung WK, Huh KY, Park J, Oh J, Yu KS. Establishment of Advanced Regulatory Innovation for Clinical Trials Transformation (ARICTT): a multi-stakeholder public-private partnership-based organization to accelerate the transformation of clinical trials. Transl Clin Pharmacol 2024; 32:30-40. [PMID: 38586121 PMCID: PMC10990728 DOI: 10.12793/tcp.2024.32.e1] [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: 01/04/2024] [Revised: 01/09/2024] [Accepted: 01/12/2024] [Indexed: 04/09/2024] Open
Abstract
Clinical trials have evolved with digital technologies and tend towards patient-centricity. A multi-stakeholder approach is needed to address the emerging complexities in clinical trials. In particular, the introduction of digital technologies and an emphasis on patient-centricity are the major trends in clinical trials. In response, we established a public-private partnership-based organization named Advanced Regulatory Innovation for Clinical Trials Transformation (ARICTT). Eleven organizations in total, from academia, industry, and regulatory agencies, participate in ARICTT. Based on multi-stakeholder collaboration from academia, industry, and government/regulatory bodies, we collected and prioritized current topics in clinical trials based on an internal survey. We established a three-year roadmap with axes that were termed trend, goal, structure, theme, topic, and method. In addition, we planned the development of recommendations based on real-world cases with feasibility studies. We developed appropriate organizational structure to fulfill the roadmap of ARICTT. The selected topics were decentralized clinical trials during the first year, followed by the three topics that were awarded the highest priority according to the internal survey: advances in the informed consent process, supporting sites using digital technology, and an effective recruitment strategy. We developed a case-based recommendation paper presenting an overview of the regulatory landscape and practical considerations with explanatory cases. We also designed and conducted fully decentralized trials to evaluate considerations in real-world settings for the selected topics. Overall engagement and communication were supported by the online platform and annual symposiums. In conclusion, we established a multi-stakeholder, public-private partnership-based organization to accelerate the transformation of clinical trials.
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Affiliation(s)
- Woo Kyung Chung
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Korea
| | - Ki Young Huh
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Korea
| | - Jiyeon Park
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Korea
| | - Jaeseong Oh
- Department of Pharmacology, Jeju National University College of Medicine, Jeju, Korea
| | - Kyung-Sang Yu
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Korea
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Awuni E, Abdallah Musah R. Proposing lead compounds for the development of SARS-CoV-2 receptor-binding inhibitors. J Biomol Struct Dyn 2024; 42:2282-2297. [PMID: 37116068 DOI: 10.1080/07391102.2023.2204505] [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: 08/23/2022] [Accepted: 04/11/2023] [Indexed: 04/30/2023]
Abstract
The COVID-19 pandemic has had deleterious effects on the world and demands urgent measures to find therapeutic agents to combat the current and related future outbreaks. The entry of SARS-CoV-2 into the host's cell is facilitated by the interaction between the viral spike receptor-binding domain (sRBD) and the human angiotensin-converting enzyme 2 (hACE2). Although the interface of sRBD involved in the sRBD-hACE2 interaction has been projected as a primary vaccine and drug target, currently no small-molecule drugs have been approved for covid-19 treatment targeting sRBD. Herein structure-based virtual screening and molecular dynamics (MD) simulation strategies were applied to identify novel potential small-molecule binders of the SARS-CoV-2 sRBD from an sRBD-targeted compound library as leads for the development of anti-COVID-19 drugs. The library was initially screened against sRBD by using the GOLD docking program whereby 19 compounds were shortlisted based on docking scores after using a control compound to set the selection cutoff. The stability of each compound in MD simulations was used as a further standard to select four hits namely T4S1820, T4589, E634-1449, and K784-7078. Analyses of simulations data showed that the four compounds remained stably bound to sRBD for ≥ 80 ns with reasonable affinities and interacted with pharmacologically important amino acid residues. The compounds exhibited fair solubility, lipophilicity, and toxicity-propensity characteristics that could be improved through lead optimization regimes. The overall results suggest that the scaffolds of T4S1820, E634-1449, and K784-7078 could serve as seeds for developing potent small-molecule inhibitors of SARS-CoV-2 receptor binding and cell entry.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Elvis Awuni
- Department of Biochemistry, School of Biological Sciences, CANS, University of Cape Coast, Cape Coast, Ghana
| | - Radiatu Abdallah Musah
- Department of Biochemistry, School of Biological Sciences, CANS, University of Cape Coast, Cape Coast, Ghana
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Dey S, Kusuma YS, Kant S, Kumar D, Gopalan RB, Sridevi P, Aggarwal S. COVID-19 vaccine acceptance and hesitancy in Indian context: a systematic review and meta-analysis. Pathog Glob Health 2024; 118:182-195. [PMID: 38014567 PMCID: PMC11141315 DOI: 10.1080/20477724.2023.2285184] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023] Open
Abstract
Vaccination against COVID-19 is vital for achieving herd immunity, and the Government of India has adopted several strategies to achieve coverage. Vaccine hesitancy was identified as a potential obstacle in combating COVID-19. This study aimed to review the COVID-19 vaccine acceptance and hesitancy, and factors associated with vaccine hesitancy based on studies conducted in Indian populations. The data sources (PubMed, Scopus, and Google Scholar) were searched by following PRISMA guidelines, and the search was done in September 2022. We performed a meta-analysis through a random effect model to estimate pooled hesitancy rate with 95% confidence intervals (CI). A total of 3,339 records were searched, of which 46 studies were found to be eligible for inclusion in the review. The included studies covered 65,551 respondents, 55% were female. Studies reported COVID-19 vaccine acceptance rate of 65.7% in January-February 2021, which increased to 92.8% in May-August 2021. Likewise, the rate of vaccine hesitancy in December 2020 was 37%, dropping to 12.1% through November 2021. The estimated pooled COVID-19 vaccine hesitancy was 31% [95% CI: 27% - 36%, I2 = 99.3%]. Most studies highlighted that fear of the vaccine's side effects, efficacy, and safety were major barriers to vaccine acceptance. However, as the review indicates, it is important to consider and address all factors contributing to vaccine hesitancy.
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Affiliation(s)
- Sangeeta Dey
- Centre for Community Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Yadlapalli S. Kusuma
- Centre for Community Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Shashi Kant
- Centre for Community Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Dewesh Kumar
- Department of Preventive and Social Medicine, Rajendra Institute of Medical Sciences, Ranchi, India
| | | | - Parikipandla Sridevi
- Department of Biotechnology, Central Tribal University of Andhra Pradesh, Vizianagaram, India
| | - Sumit Aggarwal
- Division of Epidemiology and Communicable Diseases, Indian Council of Medical Research, New Delhi, India
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Kopilaš V, Nasadiuk K, Martinelli L, Lhotska L, Todorovic Z, Vidmar M, Machado H, Svalastog AL, Gajović S. Perspectives on the COVID-19 Vaccination Rollout in 17 Countries: Reflexive Thematic and Frequency Analysis Based on the Strengths, Weaknesses, Opportunities, and Threats (SWOT) Framework. JMIR Hum Factors 2024; 11:e44258. [PMID: 38373020 PMCID: PMC10896317 DOI: 10.2196/44258] [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: 11/12/2022] [Revised: 07/16/2023] [Accepted: 09/26/2023] [Indexed: 02/20/2024] Open
Abstract
BACKGROUND As the SARS-CoV-2 virus created a global pandemic and rapidly became an imminent threat to the health and lives of people worldwide, the need for a vaccine and its quick distribution among the population was evident. Due to the urgency, and on the back of international collaboration, vaccines were developed rapidly. However, vaccination rollouts showed different success rates in different countries and some also led to increased vaccine hesitancy. OBJECTIVE The aim of this study was to identify the role of information sharing and context sensitivity in various vaccination programs throughout the initial COVID-19 vaccination rollout in different countries. Moreover, we aimed to identify factors in national vaccination programs related to COVID-19 vaccine hesitancy, safety, and effectiveness. Toward this end, multidisciplinary and multinational opinions from members of the Navigating Knowledge Landscape (NKL) network were analyzed. METHODS From May to July 2021, 25 completed questionnaires from 27 NKL network members were collected. These contributors were from 17 different countries. The responses reflected the contributors' subjective viewpoints on the status and details of the COVID-19 vaccination rollout in their countries. Contributors were asked to identify strengths, weaknesses, opportunities, and threats (ie, SWOT) of the respective vaccination programs. The responses were analyzed using reflexive thematic analysis, followed by frequency analysis of identified themes according to the represented countries. RESULTS The perspectives of NKL network members showed a link between organizational elements of the vaccination rollout and the accompanying societal response, both of which were related to strengths and weaknesses of the process. External sociocultural variables, improved public communication around vaccination-related issues, ethical controversies, and the spread of disinformation were the dominant themes related to opportunities and challenges. In the SWOT 2×2 matrix, Availability and Barriers emerged as internal categories, whereas Transparent communication and promotion and Societal divide emerged as key external categories. CONCLUSIONS Inventory of themes and categories inspired by elements of the SWOT framework provides an informative multidisciplinary perspective for effective implementation of public health strategies in the battle against COVID-19 or any future pandemics of a similar nature.
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Affiliation(s)
- Vanja Kopilaš
- Department of Psychology, Faculty of Croatian Studies, University of Zagreb, Zagreb, Croatia
| | - Khrystyna Nasadiuk
- Department of Biochemistry, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | | | - Lenka Lhotska
- Czech Institute of Informatics, Robotics and Cybernetics, Czech Technical University in Prague, Prague, Czech Republic
- Faculty of Biomedical Engineering, Czech Technical University in Prague, Prague, Czech Republic
| | - Zoran Todorovic
- University Hospital Medical Center "Bežanijska kosa", Belgrade,
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade,
| | - Matjaz Vidmar
- Institute for the Study of Science, Technology and Innovation, The University of Edinburgh, Edinburgh, United Kingdom
- School of Engineering, The University of Edinburgh, Edinburgh, United Kingdom
| | - Helena Machado
- Institute for Social Sciences, University of Minho, Braga, Portugal
| | - Anna Lydia Svalastog
- Østfold University College, Halden, Norway
- Centre for Research Ethics and Bioethics, Uppsala University, Uppsala, Sweden
| | - Srećko Gajović
- BIMIS-Biomedical Research Center Šalata, University of Zagreb School of Medicine, Zagreb, Croatia
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Rostami Abusaeedi S, Kheirkhah Vakilabad AA, Movahed E, Zareipour M, Mashayekhi V, Shafiei S, Sohrani Y, Rafeie H, Gheyabi F. Investigation of the Side Effects of COVID-19 Vaccines in Southern Iran: A Cross-Sectional Study. ARCHIVES OF RAZI INSTITUTE 2024; 79:145-153. [PMID: 39192959 PMCID: PMC11345472 DOI: 10.32592/ari.2024.79.1.145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 08/05/2023] [Indexed: 08/29/2024]
Abstract
The COVID-19 disease is a newly emerging disease, and the COVID-19 vaccine is one of the necessities to prevent this disease. The present study aimed to investigate the side effects of COVID-19 vaccines in southern Iran. We used convenience sampling to conduct this cross-sectional study on 647 people living in cities under coverage in Kerman province, southern Iran. The data collection tool was a researcher-made questionnaire of vaccine symptoms and signs. The results were analyzed using ANOVA and Chi-squared tests by SPSS software (version 24). The mean age of the participants was 40.19±15.20. The results indicated that 431 people (66.6%) reported post-vaccination side effects, with 18.23% of them having severe side effects. We noticed the most severe side effects in AstraZeneca, Sinopharm, Sputnik, and Bharat. Fever, headache, and pain at the injection site were the most common side effects after vaccination in descending order, which had a statistically significant relationship with all types of vaccines (P=0.001). The side effects differed in the types of vaccines, and most of the vaccines had mild to moderate side effects. People with the B blood type showed the most severe side effects, while those with the AB showed the lowest rate of side effects. Therefore, the injection of the AstraZeneca vaccine in blood group B should be done with more caution. More attention should also be paid to blood groups B and A in the injection of COVID-19 vaccines. Moreover, health officials and the government should plan appropriate educational strategies to increase public awareness of the importance of vaccines in eradicating viral infections.
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Affiliation(s)
- S Rostami Abusaeedi
- Department of Clinical Sciences, School of Medicine, Imam Khomeini Hospital, Jiroft University of Medical Sciences, Jiroft, Iran
| | - A A Kheirkhah Vakilabad
- Department of Internal Medicine, School of Medicine, Imam Khomeini Hospital, Jiroft University of Medical Sciences, Jiroft, Iran
| | - E Movahed
- Department of Public Health, School of Public Health, Jiroft University of Medical Sciences, Jiroft, Iran
| | - M Zareipour
- Department of Public Health, School of Health, Khoy University of Medical Sciences, Khoy, Iran
| | - V Mashayekhi
- Deputy of Health, Jiroft University of Medical University, Jiroft, Iran
| | - S Shafiei
- Department of Clinical Sciences, Clinical Research Development Center of Imam Khomeini Hospital, Jiroft University of Medical Sciences, Jiroft, Iran
| | - Y Sohrani
- Clinical Research Development Unit, Imam Khomeini Hospital, Jiroft University of Medical Sciences, Jiroft, Iran
| | - H Rafeie
- Clinical Research Development Unit, Imam Khomeini Hospital, Jiroft University of Medical Sciences, Jiroft, Iran
| | - F Gheyabi
- Department of Public Health, School of Public Health, Jiroft University of Medical Sciences, Jiroft, Iran
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Xie W, Shi L, Liu M, Yang J, Ma M, Sun G. Disparities and effectiveness of COVID-19 vaccine policies in three representative European countries. Int J Equity Health 2024; 23:16. [PMID: 38287322 PMCID: PMC10825987 DOI: 10.1186/s12939-024-02110-w] [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: 11/07/2023] [Accepted: 01/16/2024] [Indexed: 01/31/2024] Open
Abstract
OBJECTIVE The aim of this study was to examine the Coronavirus disease 2019(COVID-19) vaccine policies disparities and effectiveness in Germany, Denmark and Bulgaria, with a view to providing lessons for global vaccination and response to possible outbreak risks. METHODS This study analyzed big data through public information on the official websites of the Ministries of Health of the European Union, Germany, Denmark and Bulgaria and the official websites of the World Health Organization. We systematically summarized the COVID-19 vaccine policies of the three countries, and selected the following six indicators for cross-cutting vaccination comparisons: COVID-19 vaccine doses administered per 100 people, COVID-19 vaccination rate, the share of people with fully vaccinated, the share of people only partly vaccinated, cumulative confirmed COVID-19 cases per million, cumulative confirmed COVID-19 deaths per million. Meanwhile, we selected the following four indicators for measuring the effectiveness of COVID-19 vaccine policy implementation: daily cases per million, daily deaths per million, the effective reproduction rate (Rt), the moving-average case fatality rate (CFR). RESULTS Although these three EU countries had the same start time for vaccination, and the COVID-19 vaccine supply was coordinated by the EU, there are still differences in vaccination priorities, vaccination types, and vaccine appointment methods. Compared to Germany and Denmark, Bulgaria had the least efficient vaccination efforts and the worst vaccination coverage, with a vaccination rate of just over 30% as of June 2023, and the maximum daily deaths per million since vaccination began in the country was more than three times that of the other two countries. From the perspective of implementation effect, vaccination has a certain effect on reducing infection rate and death rate, but the spread of new mutant strains obviously aggravates the severity of the epidemic and reduces the effectiveness of the vaccine. Among them, the spread of the Omicron mutant strain had the most serious impact on the three countries, showing an obvious epidemic peak. CONCLUSIONS Expanding vaccination coverage has played a positive role in reducing COVID-19 infection and mortality rates and stabilizing Rt. Priority vaccination strategies targeting older people and at-risk groups have been shown to be effective in reducing COVID-19 case severity and mortality in the population. However, the emergence and spread of new variant strains, and the relaxation of epidemic prevention policies, still led to multiple outbreaks peaking. In addition, vaccine hesitancy, mistrust in government and ill-prepared health systems are hampering vaccination efforts. Among the notable ones are divergent types of responses to vaccine safety issue could fuel mistrust and hesitancy around vaccination. At this stage, it is also necessary to continue to include COVID-19 vaccination in priority vaccination plans and promote booster vaccination to prevent severe illness and death. Improving the fairness of vaccine distribution and reducing the degree of vaccine hesitancy are the focus of future vaccination work.
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Affiliation(s)
- Wanzhen Xie
- Department of Health Management, School of Health Management, Southern Medical University, Guangzhou, 510515, China
| | - Leiyu Shi
- Department of Health Policy and Management, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Meiheng Liu
- Department of Health Management, School of Health Management, Southern Medical University, Guangzhou, 510515, China
| | - Junyan Yang
- Department of Health Management, School of Health Management, Southern Medical University, Guangzhou, 510515, China
| | - Mengyuan Ma
- Department of Health Management, School of Health Management, Southern Medical University, Guangzhou, 510515, China
| | - Gang Sun
- Department of Health Management, School of Health Management, Southern Medical University, Guangzhou, 510515, China.
- Department of Health Policy and Management, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, 21205, USA.
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Dibenedetto JR, Cetrone M, Antonacci M, Cannone DP, Antonacci S, Bratta P, Leonetti F, Tricarico D. The Community Pharmacy as a Study Center for the Epidemiological Analysis of the Population Vaccination against SARS-CoV-2: Evaluation of Vaccine Safety and Pharmaceutical Service. PHARMACY 2024; 12:16. [PMID: 38392923 PMCID: PMC10892165 DOI: 10.3390/pharmacy12010016] [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: 11/28/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 02/25/2024] Open
Abstract
We conducted a monocentric observational study aimed at evaluating the vaccine safety and the pharmaceutical service provided at a community pharmacy (C.PHARM) in the Puglia Region in the period from 29 December 2021 to 12 March 2022 using data from 550 patients of various ages and sexes and with concomitant diseases. We collected anamnestic data, the number of hospitalizations, and any post-vaccination adverse reactions. Interviews using the integrated EQ5 method were also performed to evaluate the quality of the service offered and any therapy preference. As expected, the vaccines were reactogenic after the first dose in the patients with mild-moderate reactions, with younger age and female gender as risk factors. Immune-allergic reactions of a moderate-severe degree were observed in adult females. In the elderly, the vaccination was well tolerated. Comirnaty® showed a favorable O.R. < 1 vs. other vaccines. No cardiovascular events or hospitalizations were observed up to May 2023. Regional data indicate that all treatments during May 2023 were correlated with the viremia. PaxlovidTM was prescribed in 3% of the patients in our center and in 1.46% in the region, and distributed/dispensed on behalf of third parties in accordance with a novel distribution/dispensation protocol of the C.PHARM that resulted in a safe vaccination center providing appropriate patient inclusion during vaccination.
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Affiliation(s)
- Jacopo Raffaele Dibenedetto
- Management Control Unit, Puglia Regional PHT Office, Pharmaceutical Territorial Area (ASL BA), Via L. Starita, 6, 70132 Bari, Italy; (J.R.D.); (M.C.); (M.A.); (S.A.); (P.B.)
| | - Michela Cetrone
- Management Control Unit, Puglia Regional PHT Office, Pharmaceutical Territorial Area (ASL BA), Via L. Starita, 6, 70132 Bari, Italy; (J.R.D.); (M.C.); (M.A.); (S.A.); (P.B.)
| | - Marina Antonacci
- Management Control Unit, Puglia Regional PHT Office, Pharmaceutical Territorial Area (ASL BA), Via L. Starita, 6, 70132 Bari, Italy; (J.R.D.); (M.C.); (M.A.); (S.A.); (P.B.)
- Department of Pharmacy-Pharmaceutical Science, University of Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy;
| | | | - Stefania Antonacci
- Management Control Unit, Puglia Regional PHT Office, Pharmaceutical Territorial Area (ASL BA), Via L. Starita, 6, 70132 Bari, Italy; (J.R.D.); (M.C.); (M.A.); (S.A.); (P.B.)
| | - Pasquale Bratta
- Management Control Unit, Puglia Regional PHT Office, Pharmaceutical Territorial Area (ASL BA), Via L. Starita, 6, 70132 Bari, Italy; (J.R.D.); (M.C.); (M.A.); (S.A.); (P.B.)
| | - Francesco Leonetti
- Department of Pharmacy-Pharmaceutical Science, University of Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy;
| | - Domenico Tricarico
- Department of Pharmacy-Pharmaceutical Science, University of Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy;
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Singh P, Anand A, Rana S, Kumar A, Goel P, Kumar S, Gouda KC, Singh H. Impact of COVID-19 vaccination: a global perspective. Front Public Health 2024; 11:1272961. [PMID: 38274537 PMCID: PMC10808156 DOI: 10.3389/fpubh.2023.1272961] [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: 08/04/2023] [Accepted: 12/18/2023] [Indexed: 01/27/2024] Open
Abstract
Introduction The COVID-19 pandemic has caused widespread morbidity, mortality, and socio-economic disruptions worldwide. Vaccination has proven to be a crucial strategy in controlling the spread of the virus and mitigating its impact. Objective The study focuses on assessing the effectiveness of COVID-19 vaccination in reducing the incidence of positive cases, hospitalizations, and ICU admissions. The presented study is focused on the COVID-19 fully vaccinated population by considering the data from the first positive case reported until 20 September 2021. Methods Using data from multiple countries, time series analysis is deployed to investigate the variations in the COVID-19 positivity rates, hospitalization rates, and ICU requirements after successful vaccination campaigns at the country scale. Results Analysis of the COVID-19 positivity rates revealed a substantial decline in countries with high pre-vaccination rates. Within 1-3 months of vaccination campaigns, these rates decreased by 20-44%. However, certain countries experienced an increase in positivity rates with the emergence of the new Delta variant, emphasizing the importance of ongoing monitoring and adaptable vaccination strategies. Similarly, the analysis of hospitalization rates demonstrated a steady decline as vaccination drive rates rose in various countries. Within 90 days of vaccination, several countries achieved hospitalization rates below 200 per million. However, a slight increase in hospitalizations was observed in some countries after 180 days of vaccination, underscoring the need for continued vigilance. Furthermore, the ICU patient rates decreased as vaccination rates increased across most countries. Within 120 days, several countries achieved an ICU patient rate of 20 per million, highlighting the effectiveness of vaccination in preventing severe cases requiring intensive care. Conclusion COVID-19 vaccination has proven to be very much effective in reducing the incidence of cases, hospitalizations, and ICU admissions. However, ongoing surveillance, variant monitoring, and adaptive vaccination strategies are crucial for maximizing the benefits of vaccination and effectively controlling the spread of the virus.
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Affiliation(s)
- Priya Singh
- Division of Biomedical Informatics, Indian Council of Medical Research, New Delhi, India
| | - Aditya Anand
- Division of Biomedical Informatics, Indian Council of Medical Research, New Delhi, India
| | - Shweta Rana
- Division of Biomedical Informatics, Indian Council of Medical Research, New Delhi, India
| | - Amit Kumar
- Division of Biomedical Informatics, Indian Council of Medical Research, New Delhi, India
| | - Prabudh Goel
- Department of Pediatrics Surgery, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Sujeet Kumar
- Centre for Proteomics and Drug Discovery, Amity University Maharashtra, Mumbai, India
| | - Krushna Chandra Gouda
- Earth and Engineering Sciences Division, CSIR Fourth Paradigm Institute, Bangalore, India
| | - Harpreet Singh
- Division of Biomedical Informatics, Indian Council of Medical Research, New Delhi, India
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de Campos AS, Feltrin RB, Pamplona da Costa JO, Dos Santos PX, Carvalho G, de Medeiros MB, Chagnon P. Biosocial Technical Systems: An Emerging Approach to Analyse Responses to Novel Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1458:303-313. [PMID: 39102205 DOI: 10.1007/978-3-031-61943-4_20] [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: 08/06/2024]
Abstract
The COVID-19 pandemic emerged in the context of a parallel epidemic of information, namely an infodemic. With the development of vaccines occurring in record time, a disinformation campaign ensued rendering the infodemic ever more troubling. As COVID-19 had to be curbed with vaccines opinion pools and surveys indicated that a minority, but relevant, part of the general public had weakened trust in public health policies and also on governmental responses to the pandemic in general. This dissent in public opinion on pandemic response is interpreted in this chapter as a controversy related to the efficacy and risks associated to vaccines. Such controversy gained momentum partly because traditional scientific communication has been largely unidirectional rather than bi-directional. We propose to apply a novel biosocial technical perspective to examine the COVID-19 pandemic controversy and communication, articulating social, biological and technical issues. The interaction between COVID-19 and vaccines, i.e. artefact-biological interactions, resulted in vaccine development in record time. However, the interaction between social systems and vaccine as artefacts was plagued by partial public reluctance in their acceptance. This rendered communication efforts ever more relevant, bringing lessons related to the importance of a more fluid bi-directional communication in future disease epidemics.
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Affiliation(s)
- André Sica de Campos
- School of Applied Sciences, Universidade Estadual de Campinas (UNICAMP), Rua Pedro Zaccaria, 1300, Limeira, SP, CEP 13484-350, Brazil.
| | - Rebeca Buzzo Feltrin
- Fundação Oswaldo Cruz and Department of Science and Technology Policy, Institute of Geosciences, Universidade Estadual de Campinas (UNICAMP), Rua Carlos Gomes, 250, Campinas, SP, CEP 13083-855, Brazil
| | - Janaina Oliveira Pamplona da Costa
- Department of Science and Technology Policy, Institute of Geosciences, Universidade Estadual de Campinas (UNICAMP), Rua Carlos Gomes, 250, Campinas, SP, CEP 13083-855, Brazil
| | - Paula Xavier Dos Santos
- Fundação Oswaldo Cruz Av. Brasil, 4365, Manguinhos, Rio de Janeiro, RJ CEP 21040-900, Brazil
| | - Gustavo Carvalho
- Fundação Oswaldo Cruz Av. Brasil, 4365, Manguinhos, Rio de Janeiro, RJ CEP 21040-900, Brazil
| | | | - Pierre Chagnon
- Fundação Oswaldo Cruz Av. Brasil, 4365, Manguinhos, Rio de Janeiro, RJ CEP 21040-900, Brazil
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Rasheed N, Khan J, Yusuf A, Khan AS, Mustajab A, Majeed R, Hashmi AA. AstraZeneca COVID-19 Vaccine and Diabetes Mellitus: A Prospective Clinical Study Regarding Vaccine Side Effects. Cureus 2024; 16:e51583. [PMID: 38313879 PMCID: PMC10836246 DOI: 10.7759/cureus.51583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2024] [Indexed: 02/06/2024] Open
Abstract
Background Coronavirus disease 2019 (COVID-19) is a major public health problem worldwide, and vaccination is currently the most effective way to control its spread and reduce its severity. Diabetes mellitus (DM) is a prevalent chronic disease that poses a significant health risk and is a frequent comorbidity in COVID-19 patients. Therefore, this study aimed to assess the frequency of local and systemic side effects of the AstraZeneca vaccine among diabetic and non-diabetic participants. Methodology This multicenter study was designed as a cross-sectional prospective study and was conducted in Pakistan using a non-probability consecutive sampling method. The study duration was eight months from August 1, 2022, to March 31, 2023. A total of 700 participants who received both (first and second) doses of the AstraZeneca immunization were included in the study. An independent t-test was applied to determine the association between the means and standard deviations of age, height, weight, and duration of DM and hypertension. The chi-square test was used to evaluate the association between local and systemic side effects. Results Among the 700 participants, 173 (49.4%) males and 177 (50.6%) females had diabetes, whereas 183 (52.3%) males and 167 (47.7%) females did not have DM; their mean ages were 46.95 ± 12.73 years (diabetics) and 38.10 ± 14.14 years (non-diabetics). The most frequent adverse effects of the AstraZeneca vaccine after the first dose were pain at the injection site, reported by 259 (74.0%) diabetics and 226 (64.6%) non-diabetic participants; however, after the second dose, injection site swelling in 170 (48.6%) diabetic and 163 (46.6%) non-diabetic recipients was the most commonly reported local side effects. Conclusions This study concluded that concurrent medical conditions such as DM had substantially more local and systemic side effects than those without the disease. After receiving both doses of the AstraZeneca vaccine, the most frequently reported local side effects in both diabetic and non-diabetic participants were pain, swelling, and burning at the injection site, followed by systemic side effects such as fever.
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Affiliation(s)
- Nabila Rasheed
- Department of Medicine, Basic Health Sciences, and Neuropharmacology, Sapienza University of Rome, Rome, ITA
| | - Javeria Khan
- Anatomy, Dow International Dental College, Karachi, PAK
| | - Anusha Yusuf
- Internal Medicine, Essa General Hospital, Karachi, PAK
| | | | - Arhum Mustajab
- Internal Medicine, University Hospitals of Derby and Burton NHS Foundation Trust, Derbyshire, GBR
| | - Rabika Majeed
- Family Medicine, Al-Samdah Health Center Duba, Ministry of Health, Duba, SAU
| | - Atif A Hashmi
- Pathology, Liaquat National Hospital and Medical College, Karachi, PAK
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Dinga JN, Kabakama S, Njimoh DL, Chia JE, Morhason-Bello I, Lumu I. Quantitative Synthesis of Factors Associated with COVID-19 Vaccine Acceptance and Vaccine Hesitancy in 185 Countries. Vaccines (Basel) 2023; 12:34. [PMID: 38250847 PMCID: PMC10818751 DOI: 10.3390/vaccines12010034] [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: 12/18/2023] [Accepted: 12/26/2023] [Indexed: 01/23/2024] Open
Abstract
Mass vaccination against COVID-19 is the best method to ensure herd immunity in order to curb the effect of the pandemic on the global economy. It is therefore important to assess the determinants of COVID-19 vaccine acceptance and hesitancy on a global scale. Factors were recorded from cross-sectional studies analyzed with t-Test, ANOVA, correlation, and meta-regression analyses and synthesized to identify global trends in order to inform policy. We registered the protocol (ID: CRD42022350418) and used standard Cochrane methods and PRISMA guidelines to collect and synthesize cross-sectional articles published between January 2020 and August 2023. A total of 67 articles with 576 studies from 185 countries involving 3081,766 participants were included in this synthesis. Global COVID-19 vaccine acceptance was 65.27% (95% CI; 62.72-67.84%), while global vaccine hesitancy stood at 32.1% (95% CI; 29.05-35.17%). One-Way ANOVA showed that there was no significant difference in the percentage Gross Domestic Product spent on vaccine procurement across the World Bank income levels (p < 0.187). There was a significant difference of vaccine acceptance (p < 0.001) and vaccine hesitancy (p < 0.005) across the different World Bank Income levels. World Bank income level had a strong influence on COVID-19 vaccine acceptance (p < 0.0004) and hesitancy (p < 0.003) but percentage Gross Domestic Product spent on vaccine procurement did not. There was no correlation between percentage Gross Domestic Product spent on vaccine procurement and COVID-19 vaccine acceptance (r = -0.11, p < 0.164) or vaccine hesitancy (r = -0.09, p < 0.234). Meta-regression analysis showed that living in an urban setting (OR = 4.83, 95% CI; 0.67-212.8), rural setting (OR = 2.53, 95% CI; 0.29-119.33), older (OR = 1.98, 95% CI; 0.99-4.07), higher education (OR = 1.76, 95% CI; 0.85-3.81), and being a low income earner (OR = 2.85, 95% CI; 0.45-30.63) increased the odds of high COVID-19 vaccine acceptance. Factors that increased the odds of high COVID-19 vaccine hesitancy were no influenza vaccine (OR = 33.06, 95% CI; 5.03-1395.01), mistrust for vaccines (OR = 3.91, 95% CI; 1.92-8.24), complacency (OR = 2.86, 95% CI; 1.02-8.83), pregnancy (OR = 2.3, 95% CI; 0.12-141.76), taking traditional herbs (OR = 2.15, 95% CI; 0.52-10.42), being female (OR = 1.53, 95% CI; 0.78-3.01), and safety concerns (OR = 1.29, 95% CI; 0.67-2.51). We proposed a number of recommendations to increase vaccine acceptance and ensure global herd immunity against COVID-19.
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Affiliation(s)
- Jerome Nyhalah Dinga
- Michael Gahnyam Gbeugvat Foundation, Buea P.O. Box 63, Cameroon
- Biotechnology Unit, University of Buea, Buea P.O. Box 63, Cameroon
| | - Severin Kabakama
- Humanitarian and Public Health Consultant, Mwanza P.O. Box 511, Tanzania
| | - Dieudonne Lemuh Njimoh
- Department of Biochemistry and Molecular Biology, University of Buea, Buea P.O. Box 63, Cameroon
| | - Julius Ebua Chia
- World Health Organization-Regional Office for Africa, Brazaville P.O. Box 06, Congo
| | | | - Ivan Lumu
- Infectious Diseases Institute, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda
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Zayou L, Prakash S, Dhanushkodi NR, Quadiri A, Ibraim IC, Singer M, Salem A, Shaik AM, Suzer B, Chilukuri A, Tran J, Nguyen PC, Sun M, Hormi-Carver KK, Belmouden A, Vahed H, Gil D, Ulmer JB, BenMohamed L. A multi-epitope/CXCL11 prime/pull coronavirus mucosal vaccine boosts the frequency and the function of lung-resident memory CD4 + and CD8 + T cells and enhanced protection against COVID-19-like symptoms and death caused by SARS-CoV-2 infection. J Virol 2023; 97:e0109623. [PMID: 38038432 PMCID: PMC10734477 DOI: 10.1128/jvi.01096-23] [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: 07/20/2023] [Accepted: 11/12/2023] [Indexed: 12/02/2023] Open
Abstract
IMPORTANCE Although the current rate of SARS-CoV-2 infections has decreased significantly, COVID-19 still ranks very high as a cause of death worldwide. As of October 2023, the weekly mortality rate is still at 600 deaths in the United States alone, which surpasses even the worst mortality rates recorded for influenza. Thus, the long-term outlook of COVID-19 is still a serious concern outlining the need for the next-generation vaccine. This study found that a prime/pull coronavirus vaccine strategy increased the frequency of functional SARS-CoV-2-specific CD4+ and CD8+ memory T cells in the lungs of SARS-CoV-2-infected triple transgenic HLA-DR*0101/HLA-A*0201/hACE2 mouse model, thereby resulting in low viral titer and reduced COVID-19-like symptoms.
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Affiliation(s)
- Latifa Zayou
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
- Laboratory of Cell Biology and Molecular Genetics, Faculty of Sciences, Ibn Zohr University, Agadir, Morocco
| | - Swayam Prakash
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Nisha Rajeswari Dhanushkodi
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Afshana Quadiri
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Izabela Coimbra Ibraim
- High containment facility, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Mahmoud Singer
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Amirah Salem
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Amin Mohammed Shaik
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Berfin Suzer
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Amruth Chilukuri
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Jennifer Tran
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Pauline Chau Nguyen
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Miyo Sun
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Kathy K. Hormi-Carver
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Ahmed Belmouden
- Laboratory of Cell Biology and Molecular Genetics, Faculty of Sciences, Ibn Zohr University, Agadir, Morocco
| | - Hawa Vahed
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, California, USA
| | - Daniel Gil
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, California, USA
| | - Jeffrey B. Ulmer
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, California, USA
| | - Lbachir BenMohamed
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, California, USA
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, California, USA
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, California, USA
- Institute for Immunology, School of Medicine, University of California Irvine, Irvine, California, USA
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40
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Muranishi K, Kinoshita M, Inoue K, Ohara J, Mihara T, Sudo K, Ishii KJ, Sawa T, Ishikura H. Antibody Response Following the Intranasal Administration of SARS-CoV-2 Spike Protein-CpG Oligonucleotide Vaccine. Vaccines (Basel) 2023; 12:5. [PMID: 38276664 PMCID: PMC10818492 DOI: 10.3390/vaccines12010005] [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: 11/23/2023] [Revised: 12/13/2023] [Accepted: 12/19/2023] [Indexed: 01/27/2024] Open
Abstract
The new coronavirus infection causes severe respiratory failure following respiratory tract infection with severe acute respiratory syndrome-related coronavirus (SARS-CoV-2). All currently approved vaccines are administered intramuscularly; however, intranasal administration enhances mucosal immunity, facilitating the production of a less invasive vaccine with fewer adverse events. Herein, a recombinant vaccine combining the SARS-CoV-2 spike protein receptor-binding domain (RBD), or S1 protein, with CpG-deoxyoligonucleotide (ODN) or aluminum hydroxide (alum) adjuvants was administered intranasally or subcutaneously to mice. Serum-specific IgG titers, IgA titers in the alveolar lavage fluid, and neutralizing antibody titers were analyzed. The nasal administration of RBD protein did not increase serum IgG or IgA titers in the alveolar lavage fluid. However, a significant increase in serum IgG was observed in the intranasal group administered with S1 protein with CpG-ODN and the subcutaneous group administered with S1 protein with alum. The IgA and IgG levels increased significantly in the alveolar lavage fluid only after the intranasal administration of the S1 protein with CpG-ODN. The neutralizing antibody titers in serum and bronchoalveolar lavage were significantly higher in the intranasal S1-CpG group than in every other group. Hence, the nasal administration of the S1 protein vaccine with CpG adjuvant might represent an effective vaccine candidate.
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Affiliation(s)
- Kentaro Muranishi
- Department of Emergency and Critical Care Medicine, Faculty of Medicine, Fukuoka University, Fukuoka 814-0133, Japan; (K.M.); (H.I.)
| | - Mao Kinoshita
- Department of Anesthesiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (K.I.); (J.O.); (T.M.); (K.S.); (T.S.)
| | - Keita Inoue
- Department of Anesthesiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (K.I.); (J.O.); (T.M.); (K.S.); (T.S.)
| | - Junya Ohara
- Department of Anesthesiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (K.I.); (J.O.); (T.M.); (K.S.); (T.S.)
| | - Toshihito Mihara
- Department of Anesthesiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (K.I.); (J.O.); (T.M.); (K.S.); (T.S.)
| | - Kazuki Sudo
- Department of Anesthesiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (K.I.); (J.O.); (T.M.); (K.S.); (T.S.)
| | - Ken J. Ishii
- Division of Vaccine Science, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan;
| | - Teiji Sawa
- Department of Anesthesiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (K.I.); (J.O.); (T.M.); (K.S.); (T.S.)
| | - Hiroyasu Ishikura
- Department of Emergency and Critical Care Medicine, Faculty of Medicine, Fukuoka University, Fukuoka 814-0133, Japan; (K.M.); (H.I.)
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41
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Barrett C, Bura AC, He Q, Huang FW, Li TJX, Reidys CM. Motifs in SARS-CoV-2 evolution. RNA (NEW YORK, N.Y.) 2023; 30:1-15. [PMID: 37903545 PMCID: PMC10726165 DOI: 10.1261/rna.079557.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 09/20/2023] [Indexed: 11/01/2023]
Abstract
We present a novel framework enhancing the prediction of whether novel lineage poses the threat of eventually dominating the viral population. The framework is based purely on genomic sequence data, without requiring prior established biological analysis. Its building blocks are sets of coevolving sites in the alignment (motifs), identified via coevolutionary signals. The collection of such motifs forms a relational structure over the polymorphic sites. Motifs are constructed using distances quantifying the coevolutionary coupling of pairs and manifest as coevolving clusters of sites. We present an approach to genomic surveillance based on this notion of relational structure. Our system will issue an alert regarding a lineage, based on its contribution to drastic changes in the relational structure. We then conduct a comprehensive retrospective analysis of the COVID-19 pandemic based on SARS-CoV-2 genomic sequence data in GISAID from October 2020 to September 2022, across 21 lineages and 27 countries with weekly resolution. We investigate the performance of this surveillance system in terms of its accuracy, timeliness, and robustness. Lastly, we study how well each lineage is classified by such a system.
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Affiliation(s)
- Christopher Barrett
- Biocomplexity Institute and Initiative, University of Virginia, Charlottesville, Virginia 22904, USA
- Department of Computer Science, University of Virginia, Charlottesville, Virginia 22904, USA
| | - Andrei C Bura
- Biocomplexity Institute and Initiative, University of Virginia, Charlottesville, Virginia 22904, USA
| | - Qijun He
- Biocomplexity Institute and Initiative, University of Virginia, Charlottesville, Virginia 22904, USA
| | - Fenix W Huang
- Biocomplexity Institute and Initiative, University of Virginia, Charlottesville, Virginia 22904, USA
| | - Thomas J X Li
- Biocomplexity Institute and Initiative, University of Virginia, Charlottesville, Virginia 22904, USA
| | - Christian M Reidys
- Biocomplexity Institute and Initiative, University of Virginia, Charlottesville, Virginia 22904, USA
- Department of Mathematics, University of Virginia, Charlottesville, Virginia 22904, USA
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42
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Islam MA. A review of SARS-CoV-2 variants and vaccines: Viral properties, mutations, vaccine efficacy, and safety. INFECTIOUS MEDICINE 2023; 2:247-261. [PMID: 38205179 PMCID: PMC10774670 DOI: 10.1016/j.imj.2023.08.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 08/09/2023] [Accepted: 08/28/2023] [Indexed: 01/12/2024]
Abstract
The severe acute respiratory syndrome coronavirus disease 2 instigated by coronavirus disease of 2019 (COVID-19) has delivered an unfathomable obstruction that has touched all sectors worldwide. Despite new vaccine technologies and mass administration of booster doses, the virus persists, and unknown the ending of the pandemic for new variants and sub-variants. Moreover, whether leaning on home medications or using plant extracts is sufficient often to combat the virus has generated tremendous interest in the scientific fraternity. Different databases including PubMed, Scopus, Web of Science, and Google Scholar used to find published articles linked with related topics. Currently, COVID-19 third and fourth shots of vaccines are progressively administered worldwide, where some countries trail others by a significant margin. Many proteins related to viral activity have changed, possibly boosting the virus infectivity and making antibodies ineffective. This study will reminisce the viral genome, associated pathways for viral protein functions, variants, and their mutations. The current, comprehensive review will also provide information on vaccine technologies developed by several biotech companies and the efficacy of their doses, costs including boosters on a mass level. As no vaccine is working to protect fully against all the variants, the new proactive vaccine research needs to be conducted based on all variants, their sub-lineage, and mutations.
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Affiliation(s)
- Md. Aminul Islam
- Advanced Molecular Lab, Department of Microbiology, President Abdul Hamid Medical College, Karimganj 2310, Bangladesh
- COVID-19 Diagnostic lab, Department of Microbiology, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
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43
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Murayama H, Endo A, Yonekura S. Estimation of waning vaccine effectiveness from population-level surveillance data in multi-variant epidemics. Epidemics 2023; 45:100726. [PMID: 37939501 DOI: 10.1016/j.epidem.2023.100726] [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: 12/11/2022] [Revised: 07/19/2023] [Accepted: 10/30/2023] [Indexed: 11/10/2023] Open
Abstract
Monitoring time-varying vaccine effectiveness (e.g., due to waning of immunity and the emergence of novel variants) provides crucial information for outbreak control. Existing studies of time-varying vaccine effectiveness have used individual-level data, most importantly dates of vaccination and variant classification, which are often not available in a timely manner or from a wide range of population groups. We present a novel Bayesian framework for estimating the waning of variant-specific vaccine effectiveness in the presence of multi-variant circulation from population-level surveillance data. Applications to simulated outbreaks and the COVID-19 epidemic in Japan are also presented. Our results show that variant-specific waning vaccine effectiveness estimated from population-level surveillance data could approximately reproduce the estimates from previous test-negative design studies, allowing for rapid, if crude, assessment of the epidemic situation before fine-scale studies are made available.
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Affiliation(s)
- Hiroaki Murayama
- School of Medicine, International University of Health and Welfare, Narita, Japan; Graduate School of Social Sciences, Chiba University, Chiba, Japan
| | - Akira Endo
- Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, United Kingdom; Centre for the Mathematical Modelling of Infectious Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom; School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan; Saw Swee Hock School of Public Health, National University of Singapore, Singapore.
| | - Shouto Yonekura
- Graduate School of Social Sciences, Chiba University, Chiba, Japan
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Pfeifer BA, Beitelshees M, Hill A, Bassett J, Jones CH. Harnessing synthetic biology for advancing RNA therapeutics and vaccine design. NPJ Syst Biol Appl 2023; 9:60. [PMID: 38036580 PMCID: PMC10689799 DOI: 10.1038/s41540-023-00323-3] [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: 11/15/2023] [Indexed: 12/02/2023] Open
Abstract
Recent global events have drawn into focus the diversity of options for combatting disease across a spectrum of prophylactic and therapeutic approaches. The recent success of the mRNA-based COVID-19 vaccines has paved the way for RNA-based treatments to revolutionize the pharmaceutical industry. However, historical treatment options are continuously updated and reimagined in the context of novel technical developments, such as those facilitated through the application of synthetic biology. When it comes to the development of genetic forms of therapies and vaccines, synthetic biology offers diverse tools and approaches to influence the content, dosage, and breadth of treatment with the prospect of economic advantage provided in time and cost benefits. This can be achieved by utilizing the broad tools within this discipline to enhance the functionality and efficacy of pharmaceutical agent sequences. This review will describe how synthetic biology principles can augment RNA-based treatments through optimizing not only the vaccine antigen, therapeutic construct, therapeutic activity, and delivery vector. The enhancement of RNA vaccine technology through implementing synthetic biology has the potential to shape the next generation of vaccines and therapeutics.
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Affiliation(s)
- Blaine A Pfeifer
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | | | - Andrew Hill
- Pfizer, 66 Hudson Boulevard, New York, NY, 10001, USA
| | - Justin Bassett
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, NY, USA
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Larit F, León F. Therapeutics to Treat Psychiatric and Neurological Disorders: A Promising Perspective from Algerian Traditional Medicine. PLANTS (BASEL, SWITZERLAND) 2023; 12:3860. [PMID: 38005756 PMCID: PMC10674704 DOI: 10.3390/plants12223860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/05/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023]
Abstract
Ancient people sought out drugs in nature to prevent, cure, and treat their diseases, including mental illnesses. Plants were their primary source for meeting their healthcare needs. In Algeria, folk medicine remains a fundamental part of the local intangible knowledge. This study aims to conduct a comprehensive ethnomedicinal investigation and documentation of medicinal plants and the different plant formulations traditionally used in Algeria for the treatment of pain, psychiatric, and neurological disorders. It also intends to improve the current knowledge of Algerian folk medicine. Several scientific databases were used to accomplish this work. Based on this investigation, we identified 82 plant species belonging to 69 genera and spanning 38 distinct botanical families used as remedies to treat various psychological and neurological conditions. Their traditional uses and methods of preparation, along with their phytochemical composition, main bioactive constituents, and toxicity were noted. Therefore, this review provides a new resource of information on Algerian medicinal plants used in the treatment and management of neurological and psychological diseases, which can be useful not only for the documentation and conservation of traditional knowledge, but also for conducting future phytochemical and pharmacological studies.
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Affiliation(s)
- Farida Larit
- Laboratoire d’Obtention de Substances Thérapeutiques (LOST), Université Frères Mentouri-Constantine 1, Route de Ain El Bey, Constantine 25017, Algeria
| | - Francisco León
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC 29208, USA;
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Ishwarlall TZ, Adeleke VT, Maharaj L, Okpeku M, Adeniyi AA, Adeleke MA. Multi-epitope vaccine candidates based on mycobacterial membrane protein large (MmpL) proteins against Mycobacterium ulcerans. Open Biol 2023; 13:230330. [PMID: 37935359 PMCID: PMC10645115 DOI: 10.1098/rsob.230330] [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: 09/08/2023] [Accepted: 09/26/2023] [Indexed: 11/09/2023] Open
Abstract
Buruli ulcer (BU) is a neglected tropical disease. It is caused by the bacterium Mycobacterium ulcerans and is characterized by skin lesions. Several studies were performed testing the Bacillus Calmette-Guérin (BCG) vaccine in human and animal models and M. ulcerans-specific vaccines in animal models. However, there are currently no clinically accepted vaccines to prevent M. ulcerans infection. The aim of this study was to identify T-cell and B-cell epitopes from the mycobacterial membrane protein large (MmpL) proteins of M. ulcerans. These epitopes were analysed for properties including antigenicity, immunogenicity, non-allergenicity, non-toxicity, population coverage and the potential to induce cytokines. The final 8 CD8+, 12 CD4+ T-cell and 5 B-cell epitopes were antigenic, non-allergenic and non-toxic. The estimated global population coverage of the CD8+ and CD4+ epitopes was 97.71%. These epitopes were used to construct five multi-epitope vaccine constructs with different adjuvants and linker combinations. The constructs underwent further structural analyses and refinement. The constructs were then docked with Toll-like receptors. Three of the successfully docked complexes were structurally analysed. Two of the docked complexes successfully underwent molecular dynamics simulations (MDS) and post-MDS analysis. The complexes generated were found to be stable. However, experimental validation of the complexes is required.
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Affiliation(s)
- Tamara Z. Ishwarlall
- Discipline of Genetics, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Victoria T. Adeleke
- Department of Chemical Engineering, Mangosuthu University of Technology, Umlazi, Durban, South Africa
| | - Leah Maharaj
- Discipline of Genetics, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Moses Okpeku
- Discipline of Genetics, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Adebayo A. Adeniyi
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
- Department of Industrial Chemistry, Federal University Oye Ekiti, Ekiti State, Nigeria
| | - Matthew A. Adeleke
- Discipline of Genetics, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
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Akhtar SM, Gazzaz ZJ, Baig M, Majeed R, Hashmi AA. Association Between Pfizer COVID-19 Vaccine Adverse Effects and Diabetes Mellitus: A Prospective Multicenter Study. Cureus 2023; 15:e48263. [PMID: 38054118 PMCID: PMC10695283 DOI: 10.7759/cureus.48263] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/04/2023] [Indexed: 12/07/2023] Open
Abstract
Introduction The epidemic of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) triggered the contagion of coronavirus disease 2019 (COVID-19), which killed many individuals globally. The Pfizer BioNTech vaccine was the first messenger ribonucleic acid (mRNA)-based vaccine that boosted immunity against various adverse reactions. The objective of this study was to evaluate the frequency of Pfizer vaccine side effects among participants with and without diabetes mellitus (DM). Methods This multicenter study was cross-sectional and was performed using a non-probability consecutive sampling technique. The study duration was six months, from October 1, 2022, to March 31, 2023. A total of 750 participants who received both doses of the Pfizer vaccine were included in the study. Demographic details such as gender, age, comorbidities, preceding COVID-19 infection, and the occurrence of any local and systemic side effects of the first and second doses of vaccine were recorded. The association between local and general side effects and the presence of DM was assessed using the chi-square test. Results Of the 750 participants included in the study, 289 (77.1%) were males with diabetes mellitus (DM), and 217 (57.9%) were non-diabetic participants; however, 86 (22.9%) females had DM, and 158 (42.1%) were non-diabetic; their mean ages were 48.23 ± 16.22 and 37.56 ± 12.15 years, respectively. The most commonly occurring side effects after receiving the first dose of the Pfizer vaccine were: injection site burning in 251 (66.9%) diabetic and 254 (67.7%) non-diabetic participants. Likewise, the frequency of side effects of the second dose of the Pfizer vaccine showed that the most commonly reported side effects were: muscle pain, found in 240 (64.0%) diabetic patients and 194 (51.7%) non-diabetics, with a statistically significant association (p =0.001). Conclusion This study concluded that participants with DM had local and general adverse effects considerably more frequently than those without DM. The most frequently observed adverse effects in both diabetic and non-diabetic participants were injection site burning, rashes, muscle pain, and fever after receiving both doses of the Pfizer vaccine. Moreover, most of the side effects were minor.
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Affiliation(s)
| | - Zohair J Gazzaz
- Internal Medicine, Faculty of Medicine in Rabigh, King Abdulaziz University, Jeddah, SAU
| | - Mukhtiar Baig
- Clinical Biochemistry, Faculty of Medicine in Rabigh, King Abdulaziz University, Jeddah, SAU
| | - Rabika Majeed
- Family Medicine, Al-Samdah Health Center Duba, Ministry of Health, Duba, SAU
| | - Atif A Hashmi
- Pathology, Liaquat National Hospital and Medical College, Karachi, PAK
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Kaur G, Chawla S, Kumar P, Singh R. Advancing Vaccine Strategies against Candida Infections: Exploring New Frontiers. Vaccines (Basel) 2023; 11:1658. [PMID: 38005990 PMCID: PMC10674196 DOI: 10.3390/vaccines11111658] [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: 08/28/2023] [Revised: 10/22/2023] [Accepted: 10/25/2023] [Indexed: 11/26/2023] Open
Abstract
Candida albicans, along with several non-albicans Candida species, comprise a prominent fungal pathogen in humans, leading to candidiasis in various organs. The global impact of candidiasis in terms of disease burden, suffering, and fatalities is alarmingly high, making it a pressing global healthcare concern. Current treatment options rely on antifungal drugs such as azoles, polyenes, and echinocandins but are delimited due to the emergence of drug-resistant strains and associated adverse effects. The current review highlights the striking absence of a licensed antifungal vaccine for human use and the urgent need to shift our focus toward developing an anti-Candida vaccine. A number of factors affect the development of vaccines against fungal infections, including the host, intraspecies and interspecies antigenic variations, and hence, a lack of commercial interest. In addition, individuals with a high risk of fungal infection tend to be immunocompromised, so they are less likely to respond to inactivated or subunit whole organisms. Therefore, it is pertinent to discover newer and novel alternative strategies to develop safe and effective vaccines against fungal infections. This review article provides an overview of current vaccination strategies (live attenuated, whole-cell killed, subunit, conjugate, and oral vaccine), including their preclinical and clinical data on efficacy and safety. We also discuss the mechanisms of immune protection against candidiasis, including the role of innate and adaptive immunity and potential biomarkers of protection. Challenges, solutions, and future directions in vaccine development, namely, exploring novel adjuvants, harnessing the trained immunity, and utilizing immunoinformatics approaches for vaccine design and development, are also discussed. This review concludes with a summary of key findings, their implications for clinical practice and public health, and a call to action for continued investment in candidiasis vaccine research.
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Affiliation(s)
- Gurpreet Kaur
- Department of Biotechnology, Chandigarh College of Technology (CCT), Chandigarh Group of Colleges (CGC), Landran, Mohali 140307, India
| | - Sonam Chawla
- Department of Biotechnology, Jaypee Institute of Information Technology, Sector 62, Noida 201309, India; (S.C.)
| | - Piyush Kumar
- Department of Biotechnology, Jaypee Institute of Information Technology, Sector 62, Noida 201309, India; (S.C.)
| | - Ritu Singh
- Department of Biotechnology, Jaypee Institute of Information Technology, Sector 62, Noida 201309, India; (S.C.)
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Warzak DA, Pike WA, Luttgeharm KD. Capillary electrophoresis methods for determining the IVT mRNA critical quality attributes of size and purity. SLAS Technol 2023; 28:369-374. [PMID: 37833008 DOI: 10.1016/j.slast.2023.06.005] [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: 06/05/2023] [Revised: 06/26/2023] [Accepted: 06/28/2023] [Indexed: 10/15/2023]
Abstract
One result of the Covid-19 pandemic has been an increased awareness of IVT mRNA vaccines and the speed at which they can be produced for disease outbreaks. Currently the only approved IVT mRNA therapeutics are the Covid-19 vaccines, however IVT mRNA is being investigated for other non-Covid prophylactic vaccines, therapeutics, and therapeutic vaccines. IVT mRNAs can range from less than 100 nt in length to longer than 9,000 nt. When producing any IVT mRNA, quality control of the IVT mRNA is essential to ensure that the product is the correct length and does not contain truncated or degraded mRNA. Capillary gel electrophoresis provides high resolution separations of the IVT mRNA of interest from the degraded or truncated impurities allowing for the accurate purity assessment of IVT mRNA. Specialized capillary electrophoresis gels can also be used to provide analysis of purified poly(A) tails enabling characterization of multiple Critical Quality Attributes on a single platform. Here we describe methods for the purity assessment of IVT mRNAs through either 6,000 or 9,000 nt and determination of poly(A) tail length using different capillary gel electrophoresis methods.
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Glette-Iversen I, Aven T, Flage R. A risk science perspective on vaccines. RISK ANALYSIS : AN OFFICIAL PUBLICATION OF THE SOCIETY FOR RISK ANALYSIS 2023. [PMID: 37748932 DOI: 10.1111/risa.14228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 08/27/2023] [Accepted: 09/05/2023] [Indexed: 09/27/2023]
Abstract
Vaccines can be seen as one of the greatest successes in modern medicine. Good examples are the vaccines against smallpox, polio, and measles. Unfortunately, vaccines can have side effects, but the risks are considered by the health authorities and experts to be small compared to their benefits. Nevertheless, there are many who are skeptical of vaccination, something which has been very clearly demonstrated in relation to the COVID-19 disease. Risk is the key concept when evaluating a vaccine, in relation to both its ability to protect against the disease and its side effects. However, risk is a challenging concept to measure, which makes communication about vaccines' performance and side effects difficult. The present article aims at providing new insights into vaccine risks-the understanding, perception, communication, and handling of them-by adopting what is here referred to as a contemporary risk science perspective. This perspective clarifies the relationships between the risk concept and terms like uncertainty, knowledge, and probability. The skepticism toward vaccines is multifaceted, and influenced by concerns that extend beyond the effectiveness and safety of the vaccines. However, by clarifying the relationships between key concepts of risk, particularly how uncertainty affects risk and its characterization, we can improve our understanding of this issue.
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Affiliation(s)
- Ingrid Glette-Iversen
- Department of Safety, Economics and Planning, University of Stavanger, Stavanger, Norway
| | - Terje Aven
- Department of Safety, Economics and Planning, University of Stavanger, Stavanger, Norway
| | - Roger Flage
- Department of Safety, Economics and Planning, University of Stavanger, Stavanger, Norway
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