http://www.newsweek.com/ba-2-us-covid-prevalence-dominant-faster-spreading-hotspots-1688536

The Omicron sub-variant of COVID known as BA.2 accounts for nearly a quarter of all new sequenced U.S. cases, according to estimates from the Centers for Disease Control and Prevention (CDC).

According to CDC data released yesterday, BA.2 was projected to have been identified in 23.1 percent of new sequenced COVID samples between March 6 and March 12.