FDA authorizes a 2nd Covid booster shot for people 50 and older

The Food and Drug Administration on Tuesday authorized a second booster dose of the Pfizer-BioNTech and the Moderna Covid-19 vaccines for adults ages 50 and older.

People are eligible to get the additional dose at least four months after receiving their first booster, the FDA said in a statement.

Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention, is expected to release a statement signing off on the additional shot shortly.