In a study analyzing the Pfizer-BioNTech COVID19 vaccine’s impact in reducing household transmission of SARSCOV2, vaccination reduced risk of transmission by providing protection against susceptibility to infection, even as this effect waned over time.
National Institutes of Health grant R01AI137093 ; National Institutes of Health grant 1DP2HD091799 ; National Institutes of Health grant R01AI112970 ; National Institutes of Health grant NICHD 1DP2HD091799-01 ; Centers for Disease Control and Prevention agreement 6NU50CK000524-01 ; COVID-19 Paycheck Protection Program and Health Care Enhancement Act funding ; Perishing Square Foundation funding .Conceptualization: S.G., T.P., D.M.W., and V.E.P. Methodology: O.P., J.L.W., F.W.C., D.M.W., and V.E.
E.P.D.M.W. has received consulting fees from Pfizer, Merck, GSK, and Affinivax for topics unrelated to this manuscript and is Principal Investigator on research grants from Pfizer ad Merck on unrelated topics. J.L.W. and F.W.C. have received consulting fees from Revelar Biotherapeutics Inc. F.W.C. has received consulting fees from Whitespace Ltd. V.E.P.
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