Omicron now makes up almost 3% of U.S. Covid cases, according to the CDC
December 21, 2021
After only one short week since the first confirmed case in the U.S., Omicron already makes up 3% of Covid cases in the country. More than two-dozen states have reported Omicron cases so far. California was first to confirm a case on Dec. 1 in a resident who flew into San Francisco from South Africa.
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