The Impact of Evolving SARS-CoV-2 Mutations and Variants on COVID-19 Vaccines

Author:

McLean Gary1ORCID,Kamil Jeremy2ORCID,Lee Benhur3ORCID,Moore Penny45ORCID,Schulz Thomas F.678ORCID,Muik Alexander9ORCID,Sahin Ugur9ORCID,Türeci Özlem9,Pather Shanti9ORCID

Affiliation:

1. School of Human Sciences, London Metropolitan University and National Heart and Lung Institute, Imperial College London, London, United Kingdom

2. Louisiana State University Health, Shreveport, Louisiana, USA

3. Icahn School of Medicine at Mount Sinai, New York, New York, USA

4. Centre for HIV and STIs, National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa

5. MRC Antibody Immunity Research Unit, School of Pathology, The University of the Witwatersrand, Johannesburg, South Africa

6. Institute of Virology, Hannover Medical School, Hannover, Germany

7. Cluster of Excellence 2155 RESIST, Hannover, Germany

8. German Centre for Infection Research, Hannover-Braunschweig Site, Germany

9. BioNTech, Mainz, Germany

Abstract

The emergence of several new variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in recent months has raised concerns around the potential impact on ongoing vaccination programs. Data from clinical trials and real-world evidence suggest that current vaccines remain highly effective against the alpha variant (B.1.1.7), while some vaccines have reduced efficacy and effectiveness against symptomatic disease caused by the beta variant (B.1.351) and the delta variant (B.1.617.2); however, effectiveness against severe disease and hospitalization caused by delta remains high.

Funder

BioNtech

Publisher

American Society for Microbiology

Subject

Virology,Microbiology

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