Short Wave

How Long Does COVID Immunity Last Anyway?


With booster shots on the horizon for some people, one of the biggest questions is: Am I still protected against COVID-19 if I've only had two doses of the vaccine? As science correspondent Michaeleen Doucleff reports, the answer is...complicated.

Read more of Michaeleen's reporting on COVID immunity:

Reach the show by emailing


Episode 489

by NPR