Will you need a Covid vaccine booster anytime soon?
01:53MSNBC Medical Contributor Dr. Vin Gupta explains what we know and what we don't know about the possibility of people needing booster shots of the Covid-19 vaccines.
MSNBC Medical Contributor Dr. Vin Gupta explains what we know and what we don't know about the possibility of people needing booster shots of the Covid-19 vaccines.
