World F.D.A. Authorizes Pfizer Booster Shot for Higher-Risk People September 23, 2021September 24, 2021Noah Weiland and Sharon LaFraniereComments Off on F.D.A. Authorizes Pfizer Booster Shot for Higher-Risk People Regulators said that people over 65 or at high risk of severe Covid-19 were eligible for an extra shot, setting up a staggered national booster campaign.
