The F.D.A. authorizes Moderna and J.&J. boosters and allows a mix-and-match booster strategy.

The authorizations arrived in the middle of a busy stretch of regulatory decisions on vaccines. U.S. New York Times
By Noah Weiland and Sharon LaFraniere from NYT U.S. https://ift.tt/3B3yozF
October 19, 2021 at 02:00PM