New COVID subvariant spreads rapidly in Northeast, sparking concerns it evades vaccines

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PBS NewsHour

Three years into the pandemic and yet another new variant of the coronavirus has emerged. The omicron subvariant known as XBB.1.5 now accounts for more than 40% of new COVID infections in the U.S. and around 75% of cases in the Northeast. Dr. Jay Varma of the Cornell Center for Pandemic Prevention and Response joined William Brangham to discuss the concerns.