Here We Go Again: The BA.2 Version of Omicron | Johns Hopkins | Bloomberg School of Public Health
BA.2 subvariant of omicron gradually gaining ground in Alaska - Alaska Public Media
OR Health Authority on X: "You may have heard of BA.2, a subvariant of #Omicron. Oregon officials are monitoring samples from positive COVID-19 tests and wastewater, which tell us if and where
What experts know about COVID-19 omicron subvariant BA.2 - Mayo Clinic News Network