Hasan T, Beardsley J, Marais BJ, Nguyen TA, Fox GJ. The implementation of mass-vaccination against SARS-CoV-2: a systematic review of existing strategies and guidelines. Vaccines. 2021;9:326.
Article
CAS
PubMed
PubMed Central
Google Scholar
Albert-Ludwigs-Universität Freiburg, Germany, Fortner A, Schumacher D, Department of Anesthesiology, University Hospital RWTH Aachen, Germany. First COVID-19 vaccines receiving the US FDA and EMA emergency use authorization. Discoveries. 2021;9:e122.
Article
Google Scholar
Mallapaty S. WHO approval of Chinese CoronaVac COVID vaccine will be crucial to curbing pandemic. Nature. 2021;594:161–2.
Article
CAS
PubMed
Google Scholar
Pormohammad A, Zarei M, Ghorbani S, Mohammadi M, Razizadeh MH, Turner DL, et al. Efficacy and safety of COVID-19 vaccines: a systematic review and meta-analysis of randomized clinical trials. Vaccines. 2021;9:467.
Article
CAS
PubMed
PubMed Central
Google Scholar
Ling Y, Zhong J, Luo J. Safety and effectiveness of SARS-CoV-2 vaccines: a systematic review and meta-analysis. J Med Virol. 2021;93:6486–95.
Article
CAS
PubMed
PubMed Central
Google Scholar
Henry DA, Jones MA, Stehlik P, Glasziou PP. Effectiveness of COVID-19 vaccines: findings from real world studies. Med J Aust. 2021;215:149.
Article
PubMed
PubMed Central
Google Scholar
Harder T, Koch J, Vygen-Bonnet S, Külper-Schiek W, Pilic A, Reda S, et al. Efficacy and effectiveness of COVID-19 vaccines against SARS-CoV-2 infection: interim results of a living systematic review, 1 January to 14 May 2021. Eurosurveillance. 2021;26:2100563.
Singh DD, Parveen A, Yadav DK. SARS-CoV-2: emergence of new variants and effectiveness of vaccines. Front Cell Infect Microbiol. 2021;11:777212.
Article
CAS
PubMed
PubMed Central
Google Scholar
Hafiz I, Illian DN, Meila O, Utomo ARH, Susilowati A, Susetya IE, et al. Effectiveness and efficacy of vaccine on mutated SARS-CoV-2 virus and post vaccination surveillance: a narrative review. Vaccines. 2022;10:82.
Article
CAS
PubMed
PubMed Central
Google Scholar
Jena A, James D, Singh AK, Dutta U, Sebastian S, Sharma V. Effectiveness and durability of COVID-19 vaccination in 9447 patients with IBD: a systematic review and meta-analysis. Clin Gastroenterol Hepatol. 2022;20:1456–1479.e18.
Article
CAS
PubMed
PubMed Central
Google Scholar
Mohammed I, Nauman A, Paul P, Ganesan S, Chen K-H, Jalil SMS, et al. The efficacy and effectiveness of the COVID-19 vaccines in reducing infection, severity, hospitalization, and mortality: a systematic review. Hum Vaccines Immunother. 2022;18:2027160.
Article
Google Scholar
Zheng C, Shao W, Chen X, Zhang B, Wang G, Zhang W. Real-world effectiveness of COVID-19 vaccines: a literature review and meta-analysis. Int J Infect Dis. 2022;114:252–60.
Article
CAS
PubMed
Google Scholar
Harder T, Külper-Schiek W, Reda S, Treskova-Schwarzbach M, Koch J, Vygen-Bonnet S, et al. Effectiveness of COVID-19 vaccines against SARS-CoV-2 infection with the Delta (B.1.617.2) variant: second interim results of a living systematic review and meta-analysis, 1 January to 25 August 2021. Eurosurveillance. 2021;26:2100920.
Tatsi E-B, Filippatos F, Michos A. SARS-CoV-2 variants and effectiveness of vaccines: a review of current evidence. Epidemiol Infect. 2021;149:e237.
Article
CAS
PubMed
Google Scholar
Chuenkitmongkol S, Solante R, Burhan E, Chariyalertsak S, Chiu N-C, Do-Van D, et al. Expert review on global real-world vaccine effectiveness against SARS-CoV-2. Expert Rev Vaccines. 2022;21:1255–68.
Article
PubMed
Google Scholar
Di Fusco M, Lin J, Vaghela S, Lingohr-Smith M, Nguyen JL, Scassellati Sforzolini T, et al. COVID-19 vaccine effectiveness among immunocompromised populations: a targeted literature review of real-world studies. Expert Rev Vaccines. 2022;21:435–51.
Article
PubMed
Google Scholar
Chandan S, Khan SR, Deliwala S, Mohan BP, Ramai D, Chandan OC, et al. Postvaccination SARS-CoV-2 infection among healthcare workers: a systematic review and meta-analysis. J Med Virol. 2022;94:1428–41.
Article
CAS
PubMed
Google Scholar
Feikin DR, Higdon MM, Abu-Raddad LJ, Andrews N, Araos R, Goldberg Y, et al. Duration of effectiveness of vaccines against SARS-CoV-2 infection and COVID-19 disease: results of a systematic review and meta-regression. Lancet. 2022;399:924–44.
Article
CAS
PubMed
PubMed Central
Google Scholar
Krause PR, Fleming TR, Peto R, Longini IM, Figueroa JP, Sterne JAC, et al. Considerations in boosting COVID-19 vaccine immune responses. Lancet. 2021;398:1377–80.
Article
CAS
PubMed
PubMed Central
Google Scholar
Mahase E. Covid-19 booster vaccines: what we know and who’s doing what. BMJ. 2021;374:n2082.
PRISMA-S Group, Rethlefsen ML, Kirtley S, Waffenschmidt S, Ayala AP, Moher D, et al. PRISMA-S: an extension to the PRISMA Statement for Reporting Literature Searches in Systematic Reviews. Syst Rev. 2021;10:39.
Article
Google Scholar
Moher D, Liberati A, Tetzlaff J, Altman DG. The PRISMA Group. Preferred Reporting Items for Systematic Reviews and Meta-Analyses: the PRISMA statement. PLoS Med. 2009;6:e1000097.
Article
PubMed
PubMed Central
Google Scholar
Page MJ, McKenzie JE, Bossuyt PM, Boutron I, Hoffmann TC, Mulrow CD, et al. The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. BMJ. 2021;372:n71.
Stroup DF. Meta-analysis of observational studies in epidemiology: a proposal for reporting. JAMA. 2000;283:2008.
Article
CAS
PubMed
Google Scholar
Wells G, Shea B, O’Connell D, Peterson J, Welch V, Losos M. The Newcastle-Ottawa Scale (NOS) for assessing the quality of nonrandomised studies in meta-analyses; 2000.
Google Scholar
Xie S, Xu H, Shan X, Liu B, Wang K, Cai Z. Clinicopathological and prognostic significance of survivin expression in patients with oral squamous cell carcinoma: evidence from a meta-analysis. PLoS One. 2015;10:e0116517.
Article
PubMed
PubMed Central
Google Scholar
Higgins JPT. Measuring inconsistency in meta-analyses. BMJ. 2003;327:557–60.
Article
PubMed
PubMed Central
Google Scholar
Chaimani A, Mavridis D, Salanti G. A hands-on practical tutorial on performing meta-analysis with Stata. Evid Based Ment Health. 2014;17:111–6.
Article
PubMed
Google Scholar
Herzog R, Álvarez-Pasquin MJ, Díaz C, Del Barrio JL, Estrada JM, Gil Á. Are healthcare workers’ intentions to vaccinate related to their knowledge, beliefs and attitudes? A systematic review. BMC Public Health. 2013;13:154.
Article
PubMed
PubMed Central
Google Scholar
Guyatt G, Oxman AD, Akl EA, Kunz R, Vist G, Brozek J, et al. GRADE guidelines: 1. Introduction—GRADE evidence profiles and summary of findings tables. J Clin Epidemiol. 2011;64:383–94.
Article
PubMed
Google Scholar
Harbord RM, Egger M, Sterne JAC. A modified test for small-study effects in meta-analyses of controlled trials with binary endpoints. Stat Med. 2006;25:3443–57.
Article
PubMed
Google Scholar
Krause P, Fleming TR, Longini I, Henao-Restrepo AM, Peto R, Dean N, et al. COVID-19 vaccine trials should seek worthwhile efficacy. Lancet. 2020;396:741–3.
Article
CAS
PubMed
PubMed Central
Google Scholar
Polack FP, Thomas SJ, Kitchin N, Absalon J, Gurtman A, Lockhart S, et al. Safety and efficacy of the BNT162b2 mRNA Covid-19 vaccine. N Engl J Med. 2020;383:2603–15.
Article
CAS
PubMed
Google Scholar
Baden LR, El Sahly HM, Essink B, Kotloff K, Frey S, Novak R, et al. Efficacy and safety of the mRNA-1273 SARS-CoV-2 vaccine. N Engl J Med. 2021;384:403–16.
Article
CAS
PubMed
Google Scholar
Voysey M, Clemens SAC, Madhi SA, Weckx LY, Folegatti PM, Aley PK, et al. Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK. Lancet. 2021;397:99–111.
Article
CAS
PubMed
PubMed Central
Google Scholar
Sadoff J, Gray G, Vandebosch A, Cárdenas V, Shukarev G, Grinsztejn B, et al. Safety and efficacy of single-dose Ad26.COV2.S vaccine against Covid-19. N Engl J Med. 2021;384:2187–201.
Article
CAS
PubMed
Google Scholar
Britton A, Fleming-Dutra KE, Shang N, Smith ZR, Dorji T, Derado G, et al. Association of COVID-19 vaccination with symptomatic SARS-CoV-2 infection by time since vaccination and delta variant predominance. JAMA. 2022;327:1032.
Article
CAS
PubMed
PubMed Central
Google Scholar
Tartof SY, Slezak JM, Puzniak L, Hong V, Frankland TB, Ackerson BK, et al. Effectiveness of a third dose of BNT162b2 mRNA COVID-19 vaccine in a large US health system: a retrospective cohort study. Lancet Reg Health - Am. 2022;9:100198.
PubMed
PubMed Central
Google Scholar
Abu-Raddad LJ, Chemaitelly H, Bertollini R. Waning mRNA-1273 vaccine effectiveness against SARS-CoV-2 infection in Qatar. N Engl J Med. 2022;386:1091–3.
Article
CAS
PubMed
Google Scholar
Tseng HF, Ackerson BK, Luo Y, Sy LS, Talarico CA, Tian Y, et al. Effectiveness of mRNA-1273 against SARS-CoV-2 Omicron and Delta variants. Nat Med. 2022;28:1063–71.
Article
CAS
PubMed
PubMed Central
Google Scholar
Andrews N, Stowe J, Kirsebom F, Toffa S, Sachdeva R, Gower C, et al. Effectiveness of COVID-19 booster vaccines against COVID-19-related symptoms, hospitalization and death in England. Nat Med. 2022;28:831–7.
Article
CAS
PubMed
PubMed Central
Google Scholar
Andrews N, Stowe J, Kirsebom F, Toffa S, Rickeard T, Gallagher E, et al. Covid-19 vaccine effectiveness against the Omicron (B.1.1.529) variant. N Engl J Med. 2022;386:1532–46.
Article
CAS
PubMed
Google Scholar
Chemaitelly H, Tang P, Hasan MR, AlMukdad S, Yassine HM, Benslimane FM, et al. Waning of BNT162b2 vaccine protection against SARS-CoV-2 infection in Qatar. N Engl J Med. 2021;385:e83.
Article
CAS
PubMed
Google Scholar
Tabak YP, Sun X, Brennan TA, Chaguturu SK. Incidence and estimated vaccine effectiveness against symptomatic SARS-CoV-2 infection among persons tested in US retail locations, May 1 to August 7, 2021. JAMA Netw Open. 2021;4:e2143346.
Article
PubMed
PubMed Central
Google Scholar
Lin D-Y, Gu Y, Wheeler B, Young H, Holloway S, Sunny S-K, et al. Effectiveness of Covid-19 vaccines over a 9-month period in North Carolina. N Engl J Med. 2022;386:933–41.
Article
CAS
PubMed
Google Scholar
Robles-Fontán MM, Nieves EG, Cardona-Gerena I, Irizarry RA. Effectiveness estimates of three COVID-19 vaccines based on observational data from Puerto Rico. Lancet Reg Health - Am. 2022;9:100212.
PubMed
PubMed Central
Google Scholar
Mykytyn AZ, Rissmann M, Kok A, Rosu ME, Schipper D, Breugem TI, et al. Antigenic cartography of SARS-CoV-2 reveals that Omicron BA.1 and BA.2 are antigenically distinct. Sci Immunol. 2022;7:eabq4450.
Saxena SK, Kumar S, Ansari S, Paweska JT, Maurya VK, Tripathi AK, et al. Characterization of the novel SARS-CoV-2 Omicron (B.1.1.529) variant of concern and its global perspective. J Med Virol. 2022;94:1738–44.
Article
CAS
PubMed
Google Scholar
Liu Q, Qin C, Liu M, Liu J. Effectiveness and safety of SARS-CoV-2 vaccine in real-world studies: a systematic review and meta-analysis. Infect Dis Poverty. 2021;10:132.
Article
PubMed
PubMed Central
Google Scholar
Whitaker HJ, Tsang RSM, Byford R, Andrews NJ, Sherlock J, Sebastian Pillai P, et al. Pfizer-BioNTech and Oxford AstraZeneca COVID-19 vaccine effectiveness and immune response amongst individuals in clinical risk groups. J Inf Secur. 2022;84:675–83.
CAS
Google Scholar
Callaghan CJ, Mumford L, Curtis RMK, Williams SV, Whitaker H, Andrews N, et al. Real-world effectiveness of the Pfizer-BioNTech BNT162b2 and Oxford-AstraZeneca ChAdOx1-S vaccines against SARS-CoV-2 in solid organ and islet transplant recipients. Transplantation. 2022;106:436–46.
Article
CAS
PubMed
PubMed Central
Google Scholar
Johnson AG, Amin AB, Ali AR, Hoots B, Cadwell BL, Arora S, et al. COVID-19 Incidence and death rates among unvaccinated and fully vaccinated adults with and without booster doses during periods of Delta and Omicron variant emergence — 25 U.S. Jurisdictions, April 4–December 25, 2021. MMWR Morb Mortal Wkly Rep. 2022;71:132–8.
Article
CAS
PubMed
PubMed Central
Google Scholar
Gray G, Collie S, Goga A, Garrett N, Champion J, Seocharan I, et al. Effectiveness of Ad26.COV2.S and BNT162b2 Vaccines against Omicron Variant in South Africa. N Engl J Med. 2022;386:2243–5.
Nunes MC, Mbotwe-Sibanda S, Baillie VL, Kwatra G, Aguas R, Madhi SA, et al. SARS-CoV-2 Omicron symptomatic infections in previously infected or vaccinated South African healthcare workers. Vaccines. 2022;10:459.
Article
CAS
PubMed
PubMed Central
Google Scholar