Federal officials authorized a second booster shot of the Pfizer-BioNTech and Moderna coronavirus vaccines for people 50 and older and immunocompromised people over age 12. Here’s what you need to know.
What to know about a second covid booster shot
Federal officials authorized a second booster shot of the Pfizer-BioNTech and Moderna coronavirus vaccines for people 50 and older and immunocompromised people over age 12. Here’s what you need to know.