track variant with CDC Nowcast tool

Omicron has turn into the Google Search of American COVID-19 variants in a matter of 5 quick weeks. It now dominates an estimated 98.3% of cases nationwide, in response to the newest modeled information from the Centers for Disease Control and Prevention. For the latest week for which it has figures—January 2 to eight—the CDC says omicron seized an excellent better share of complete infections within the United States. For the prior week, its estimated proportion was 92.3%, revised down from 95.4% when the info first turned accessible.

Since landing in California again on December 1, the variant has unfold with alarming alacrity. It accounted for less than 58.6% of circumstances as not too long ago because the week of Christmas. Since the brand new yr started, it’s been the dominant pressure in all ten U.S. areas the CDC mannequin tracks. The newest numbers shifted it upward once more. Omicron now accounts for 99% or extra of circumstances in three U.S. areas: Region 2 (New Jersey, New York, and U.S. Caribbean territories), Region 4 (Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee), and Region 6 (Arkansas, Louisiana, New Mexico, Oklahoma, Texas, and tribal territories).

Delta, in the meantime, has virtually fallen off the chart, comparatively talking, making up simply 1.7% of the circumstances modeled by the CDC’s Nowcast tool.

[Screenshot via CDC]Updated each Tuesday, Nowcast offers a snapshot of how COVID variants of concern are spreading in one thing carefully approximating actual time, so public-health officers can take quicker motion. It bases the variants’ prevalence on genomic-sequencing information. One hangup of such a hurried turnaround, although, is that it means the dataset isn’t at all times full, which might have an effect on its accuracy. In previous weeks, it’s been revised substantially because the CDC gathers further samples nationwide.


Regardless of omicron’s actual share of the whole proper now, extra well being specialists have began warning this can be simply the beginning of its international takeover. The World Health Organization estimated today that in coming two months, the variant might infect most of Europe. Observing present transmission traits, WHO Europe director Hans Kluge mentioned, “At this rate, more than 50% of the population in the region will be infected with Omicron in the next six to eight weeks,” a scale he famous could be “unprecedented.”

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