The W.H.O. says the BA.2 subvariant of Omicron is driving most cases around the world.

By Alyssa Lukpat from NYT World https://ift.tt/cNijWv5
via IFTTT Globally, BA.2 made up about 86 percent of cases reported to the W.H.O. between Feb. 16 and March 17, the agency said in a report on Tuesday.