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New XBB.1.5 subvariant becoming dominant in U.S.
XBB.1.5 -- it's the new subvariant of COVID-19 that is quickly becoming the dominant strain in the U.S.
This browser does not support the Video element.
XBB.1.5 -- it's the new subvariant of COVID-19 that is quickly becoming the dominant strain in the U.S.