Omicron variant of COVID estimated to make up more than half of U.S. cases, CDC says

The Omicron variant of COVID-19 was estimated to make up about 58.6% cases of the coronavirus going around in the U.S. for the week ending Dec. 25, according to the Centers for Disease Control and Prevention (CDC). In contrast, the Delta variant, which has also been labeled a “variant of concern” by the CDC, accounted for 41.1% of all COVID-19 cases in the U.S. for that same period of time. The Omicron variant was initially discovered in South Africa in November 2021, according to the World Health Organization (WHO) -sars-cov-2-variant-of-concern)and other major public health agencies. On Nov….

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