FDA green lights 2nd booster of Pfizer, Moderna COVID shots for older Americans

The U.S. Food and Drug Administration on Tuesday authorized a second booster dose for people age 50 and older of the two most commonly used COVID-19 vaccines, citing data showing waning immunity and the risks posed by Omicron variants of the virus.

Reporting by Michael Erman in New Jersey and Manojna Maddipatla in Bangaluru, Additional reporting by Ahmed Aboulenein in Washington; Editing by Bill Berkrot