http://www.newsweek.com/stealth-omicron-ba-2-found-america-states-gisaid-data-1672589

Almost 100 cases of the Omicron sub-variant BA.2 have been detected in the U.S. across more than 20 states, virus genetic data shows.

According to the virus database GISAID, which scientists can use to share sequenced COVID samples from around the world, 92 BA.2 cases had been reported from the U.S. by about 5:15 a.m. ET on Tuesday.