Do you need a second booster shot? An epidemiologist scoured the latest research and has some answers

In late March 2022, the U.S. Food and Drug Administration authorized a second booster shot of COVID-19 vaccines for vulnerable populations in the U.S., a move that was soon after endorsed by the Centers for Disease Control and Prevention. People ages 50 years and older and certain immunocompromised individuals who are at higher risk for severe disease, hospitalization and […]