U.S. has until June to decide whether we need new Covid shots for this fall, FDA official says
By Spencer Kimball
A second booster helped protect older people from Omicron infection, but waned quickly, an Israeli study says ...
By Emily Anthes
Tracking an FDA advisory panel meeting on Covid vaccines and boosters
By Andrew Joseph & Matthew Herper
Pfizer COVID vaccine study: Unvaccinated not swayed by FDA approval
By Adrianna Rodriguez