News Release

Estimated number of COVID-19 infections, hospitalizations, deaths prevented among vaccinated adults in US

JAMA Network Open

Peer-Reviewed Publication

JAMA Network

About The Study: In this modeling study, COVID-19 vaccination was estimated to prevent 27 million SARS-CoV-2 infections, 1.6 million hospitalizations and 235,000 deaths among vaccinated U.S. adults 18 years or older from December 2020 through September 2021.

Authors: Molly K. Steele, Ph.D., M.Sc., M.P.H., of the Centers for Disease Control and Prevention in Atlanta, is the corresponding author.

To access the embargoed study: Visit our For The Media website at this link 


Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

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