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Public Health

The World Health Organization deemed coronavirus variant B.1.1.529 — also known as omicron — a variant of concern and the U.S. followed suit Nov. 30 also classifying it as a variant of concern. The nation's first cases have been reported…

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California officials have confirmed that a recent case of COVID-19 was caused by the coronavirus variant B.1.1.529 — also known as omicron — the first known case detected in the U.S., according to a Dec. 1 news release from the…

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