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NBC News NOW
Health experts track U.S. spread of Covid omicron subvariant
This version of Health Experts Track U S Spread Of Covid Omicron Subvariant 131815493812 - Breaking News | NBC News Clone was adapted by NBC News Clone to help readers digest key facts more efficiently.
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At least 22 states have detected a Covid-19 omicron subvariant, but health experts say it is not yet clear how dangerous it could be. Professor of Anesthesiology and Critical Care Medicine, Dr. Ebony Jade Hilton, joins News NOW to explain how the omicron subvariant differs from the original strain and whether the U.S. should be concerned about its spread. Jan. 27, 2022
