U.S. FDA Authorizes Second COVID-19 Booster Shot For Those Over 50

SAN RAFAEL, CALIFORNIA - APRIL 06: Vials of Moderna COVID-19 vaccine sit on a table at a COVID-19 vaccination clinic on April 06, 2022 in San Rafael, California. The U.S. Food and Drug Administration has authorized a second COVID-19 booster of Pfizer-BioNTech and Moderna vaccines for people over 50 years old four months after their first booster. (Photo by Justin Sullivan/Getty Images)