The COVID sub-variant recognized because the Omicron BA.2 "stealth" variant now accounts for a lot of the instances within the U.S., based on new information from the Facilities for Illness Management and Prevention.

Based on case information measured via final week, the BA.2 sub-variant is answerable for an estimated 55 p.c of all instances throughout the U.S., up from 39 p.c in the course of the prior week.

Final week, Dr. Anthony Fauci stated he anticipated it could grow to be the dominant variant as a result of it's extra transmissible than prior variants, together with the unique Omicron variant, however it doesn't seem to trigger extra extreme sickness, which led Fauci to say it's not presently a trigger of serious concern if instances rise barely.

This can be a creating story that shall be up to date as extra data turns into obtainable.

Covid US Omicron BA.2
The sub-variant of Omicron dubbed the "stealth" variant has grow to be the dominant pressure inside the U.S., based on new CDC information. Above, individuals wait in line at a walk-up vaccination website in Washington, D.C., on November 29, 2021.Jim Watson/AFP through Getty Photos