 The World Health Organization is now monitoring four omicron subvariants that are showing transmission advantage relating to other circulating ones, including XBB.1.5, which has become dominant in the U.S. The other three are BF.7, BQ.1 and BA.2.75, the WHO said in its weekly epidemiological update. For now, the agency said it has no additional data ... The post Coronavirus tally: WHO is now monitoring four omicron subvariants including XBB.1.5 thats dominant in U.S. appeared first on ForexTV... 