Cited by 899SARS-CoV-2 and COVID-19 ResearchVaccine Coverage and HesitancyCOVID-19 epidemiological studies

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Effectiveness of the BNT162b2 Covid-19 Vaccine against the B.1.1.7 and B.1.351 Variants

Open access
Abu-Raddad, Laith J., Chemaitelly, Hiam, Butt, Adeel A.·2021·New England Journal of Medicine

Abstract

The messenger RNA vaccine BNT162b2 (Pfizer–BioNTech) has 95% efficacy against coronavirus disease 2019 (Covid-19). Qatar launched a mass immunization campaign with this vaccine on December 21, 2020. As of March 31, 2021, a total of 385,853 persons had received at least one vaccine dose and 265,410 had completed the two doses. Vaccination scale-up occurred as Qatar was undergoing its second and third waves of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, which were triggered by expansion of the B.1.1.7 variant (starting in mid-January 2021) and the B.1.351 variant (starting in mid-February 2021). The B.1.1.7 wave peaked during the first week of March, and the rapid expansion of B.1.351 started in mid-March and continues to the present day. Viral genome sequencing conducted from February 23 through March 18 indicated that 50.0% of cases of Covid-19 in Qatar were caused by B.1.351 and 44.5% were caused by B.1.1.7. Nearly all cases in which virus was sequenced after March 7 were caused by either B.1.351 or B.1.1.7.

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Metadata

Authors
Abu-Raddad, L. J., Chemaitelly, H., & Butt, A. A.
Affiliations
  • Weill Cornell Medical College in Qatar (QA)
  • Hamad Medical Corporation (QA)
Corresponding author
Abu-Raddad, Laith J.
Venue
New England Journal of Medicine
Published
2021-07-08
Volume
385
Issue
2
Pages
187-189
ISSN
  • 0028-4793 (ISSN-L)
  • 1533-4406
OpenAlex
W3157162195
Cited by
899
References
4
Citations by year
2026: 16 · 2025: 32 · 2024: 46 · 2023: 92 · 2022: 358 · 2021: 351
FWCI
67.15
Type
journal article
Language
en
Open access
Locations
  • New England Journal of Medicine (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Qatar University QSpace (Qatar University) (submittedVersion)
Funders
Biomedical Research Program and the Biostatistics, Epidemiology, and Biomathematics Research Core, both at Weill Cornell Medicine-Qatar, the Ministry of Public Health and Hamad Medical Corporation
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Social Sciences › Health › Vaccine Coverage and Hesitancy
  • Physical Sciences › Mathematics › Modeling and Simulation › COVID-19 epidemiological studies
Keywords
BNT162b2, COVID-19 vaccine efficacy, SARS-CoV-2 variants, B.1.1.7 variant, B.1.351 variant, Omicron variant, vaccination campaigns, viral genome sequencing, COVID-19 waves
MeSH terms
Immunogenicity, Vaccine, COVID-19, SARS-CoV-2, COVID-19 Vaccines, BNT162 Vaccine, Humans, Qatar, Cohort Studies, Case-Control Studies, Polymerase Chain Reaction, Treatment Outcome

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