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Omicron Drives U.S. Virus Cases Past Delta’s Peak
The CDC slashes estimates of omicron's prevalence in the U.S.
Update on Omicron - World Health Organization (WHO)
SARS-CoV-2 B.1.1.529 (Omicron) Variant — United States...
Tracking the spread of the omicron variant in the U.S., world ...
Omicron variant accounts for 73 percent of new Covid cases in …
December 20, 2021 Omicron variant news - CNN
Omicron variant: Cases confirmed in 6 more U.S. states as delta …
Omicron: What you need to know about the COVID variant
Omicron variant cases found in 25 states. Most are mild, CDC says