More than 20 people in the U.S. have tested positive for omicron. Here’s what we know about the cases so far

More than 20 people in the U.S. have tested positive for omicron. Here’s what we know about the cases so

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U.S. confirms nation’s first case of omicron Covid variant in California

U.S. confirms nation’s first case of omicron Covid variant in California  CNBC First confirmed US case of Omicron coronavirus variant detected

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