The Omicron variant’s spread across the U.S. threatens to drive up cases, as many people head indoors during the cold weather. The season, it turns out, appears to play an important role in where Covid-19 strikes most.
On Monday the Centers for Disease Control and Prevention said the Omicron variant had supplanted Delta as the dominant strain in the U.S.
Source Article from https://www.wsj.com/articles/how-covid-19-has-migrated-across-america-11640148514
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