You are using an older browser version. Please use a supported version for the best MSN experience.

Dr. Jha: Vaccine booster shot may not be needed until next year

Dr. Ashish Jha, the Dean of the Brown University School of Public Health, tells Lawrence O'Donnell that those fully-vaccinated may not have to worry about getting a booster shot until next year unless the coronavirus variants start causing a lot of breakthrough infections.

UP NEXT

UP NEXT

More From MSNBC

More From MSNBC

image beaconimage beaconimage beacon