The Omicron variant was approximated to be 58.6% of the coronavirus variants circulating in the United States for the week ending Dec. 25, in accordance to info from the U.S. Facilities for Ailment Manage and Avoidance (CDC).
The quick-spreading variant was 1st detected in southern Africa and Hong Kong in November, with the 1st acknowledged scenario in the United States determined on Dec. 1 in a totally vaccinated man or woman who experienced traveled to South Africa.
The agency also revised down the Omicron proportion for the 7 days ending Dec. 18 to 22% from 73%, declaring that there was a broad predictive interval posted in previous week’s chart, in part because of the speed at which Omicron was raising.
The Delta variant accounts for 41.1% of all U.S. COVID-19 scenarios as of Dec. 25, according to the community health and fitness agency’s details on Tuesday .
Previous U.S. Food stuff and Drug Administration Commissioner Scott Gottlieb said on Twitter  that if the CDC’s new estimate of Omicron prevalence is exact then it indicates that a excellent portion of the present hospitalizations may perhaps however be driven by Delta infections.
The company claimed the details features modeled projection that may perhaps vary from weighted estimates created at afterwards dates.
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