F.D.A. Panel Recommends Pfizer Boosters for Over 65 or at High Risk of Severe Covid
Here’s what you need to know: ImageSarah Back, a registered nurse, preparing a dose of the Pfizer-BioNTech vaccine during a clinic held by San Antonio’s Metropolitan Health District in Texas last week.Credit…Matthew Busch for The New York Times The Centers for Disease Control and Prevention released data on Friday indicating that the level of protection…