ABC News medical contributor John Brownstein on people experiencing rebound cases of COVID-19 after taking Paxlovid.
SUBSCRIBE to ABC News on YouTube: https://bit.ly/2vZb6yP
Latest updates: http://abcnews.go.com/
Watch FULL EPISODES on Hulu: http://abcn.ws/3bzvQQn
#abcnews #abcnlupdate #biden #covid19
