Fourth Dose of BNT162b2 mRNA Covid-19 Vaccine in a Nationwide Setting | NEJM - nejm.org

Original Article from The New England Journal of Medicine — Fourth Dose of BNT162b2 mRNA Covid-19 Vaccine in a Nationwide Setting

Setting and Data We used data collected between January 3 and February 18, 2022, when the omicron variant was predominant in Israel,13 to emulate a target trial evaluating the effectiveness of a fou… [+7504 chars]

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