http://www.newsweek.com/omicron-ba-2-stealth-covid-variant-dominant-us-cdc-data-faster-spreading-cases-1692976

The Omicron BA.2 sub-variant of COVID-19 is now dominant in the U.S., according to new projections from the Centers for Disease Control and Prevention (CDC).

BA.2 was detected in the majority—54.9 percent—of COVID-19 samples studied between March 20 and March 26, according to current CDC estimates.