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Vaccines

FDA approves Pfizer’s RSV vaccine for maternal use

by Laura Howes
August 26, 2023 | A version of this story appeared in Volume 101, Issue 28
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On Aug. 21, the US Food and Drug Administration approved Pfizer’s respiratory syncytial virus (RSV) vaccine, Abrysvo, to protect infants. The protein-based vaccine is given to pregnant people at a late stage in gestation, and the immunity they develop is passed to the child before birth. This is the latest in a run of RSV-related approvals. In May, the FDA approved Abrysvo and GSK’s Arexvy for use in patients over 60, and in July it approved the monoclonal antibody Beyfortus (nirsevimab) for infants.

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