L Leila Global Mod Global Mod 22 May 2022 #1 Omicron subvariant BA.4 found in Tamil Nadu, says state health minister Tamil Nadu Health Minister said, "One case of BA.4, a sub-variant of Omicron, has been recorded in Chengalpattu district near Chennai."
Omicron subvariant BA.4 found in Tamil Nadu, says state health minister Tamil Nadu Health Minister said, "One case of BA.4, a sub-variant of Omicron, has been recorded in Chengalpattu district near Chennai."
