Do you need a second booster shot? An epidemiologist scoured the latest research and has some answers
- Written by Katelyn Jetelina, Assistant Professor of Epidemiology, University of Texas Health Science Center at Houston
The CDC recommends the second booster for those over 50 who received their initial booster shot at least four months earlier.Scott Olson via Getty Images NewsIn 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...

