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XBB Variant Sparks New Covid Concerns

Posted

December 30, 2022

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Public health experts are concerned for omicron’s new subvariant XBB with one study suggesting the strain is resistant to Covid-19 boosters from prior infections. NBC News’ Valerie Castro has more on whether the U.S. is looking at another surge as hospitals are already overwhelmed with RSV and flu cases.

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XBB Variant Sparks New Covid Concerns · NBC News · Sentinel