Association of fourth Pfizer-BioNTech vaccine dose with SARS-CoV-2 infection

About The Study: Researchers found that 4-dose recipients of the Pfizer-BioNTech vaccine had a lower risk of acquiring COVID-19 than 3-dose recipients during the peak Omicron variant wave in this study of 29,000 health care workers in Israel.

Authors: Allon E. Moses, M.D., of the Hadassah-Hebrew University Medical Center in Jerusalem, is the corresponding author.

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(doi:10.1001/jamanetworkopen.2022.24657)

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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