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mRNA vaccine effectiveness against asymptomatic severe acute respiratory coronavirus virus 2 (SARS-CoV-2) infection over seven months

Published online by Cambridge University Press:  06 September 2021

Aaron J. Tande*
Division of Infectious Diseases, Mayo Clinic, Rochester, Minnesota
Benjamin D. Pollock
Department of Quality, Experience, and Affordability, Mayo Clinic, Rochester, Minnesota Division of Health Care Delivery Research, Robert D. and Patricia E, Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota
Nilay D. Shah
Delta Air Lines, Atlanta, Georgia
Matthew Binnicker
Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
Elie F. Berbari*
Division of Infectious Diseases, Mayo Clinic, Rochester, Minnesota
Author for correspondence: Aaron J. Tande, E-mail: Or Elie F. Berbari, E-mail:
Author for correspondence: Aaron J. Tande, E-mail: Or Elie F. Berbari, E-mail:


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Research Brief
© The Author(s), 2021. Published by Cambridge University Press on behalf of The Society for Healthcare Epidemiology of America

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Authors of equal contribution.


Swift, MD, Breeher, LE, Tande, AJ, et al. Effectiveness of mRNA COVID-19 vaccines against SARS-CoV-2 infection in a cohort of healthcare personnel. Clin Infect Dis 2021. doi: 10.1093/cid/ciab361.Google Scholar
Abu-Raddad, LJ, Chemaitelly, H, Butt, AA, National study group for C-V. Effectiveness of the BNT162b2 COVID-19 vaccine against the B.1.1.7 and B.1.351 variants. N Engl J Med 2021;385:187189.Google Scholar
Tande, AJ, Pollock, BD, Shah, ND, et al. Impact of the COVID-19 vaccine on asymptomatic infection among patients undergoing preprocedural COVID-19 molecular screening. Clin Infect Dis 2021. doi: 10.1093/cid/ciab229.Google Scholar
Tang, L, Hijano, DR, Gaur, AH, et al. Asymptomatic and symptomatic SARS-CoV-2 infections after BNT162b2 vaccination in a routinely screened workforce. JAMA 2021;325:25002502.Google Scholar
Haas, EJ, Angulo, FJ, McLaughlin, JM, et al. Impact and effectiveness of mRNA BNT162b2 vaccine against SARS-CoV-2 infections and COVID-19 cases, hospitalisations, and deaths following a nationwide vaccination campaign in Israel: an observational study using national surveillance data. Lancet 2021;397:18191829.Google ScholarPubMed
CDC COVID data tracker variant proportions. Centers for Disease Control and Prevention website. Published 2021. Accessed June 10, 2021.Google Scholar