ABC News medical contributor Dr. John Brownstein discusses the latest in the fight against the pandemic as the San Diego Unified School District reinstates its indoor mask mandate.
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SUBSCRIBE to ABC News on YouTube: https://bit.ly/2vZb6yP
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Watch FULL EPISODES on Hulu: http://abcn.ws/3bzvQQn
#abcnews #abcnlupdate #covid19 #omicron
