12 cases of Omicron subvariants BA.4, BA.5 confirmed in Tamil Nadu
India | June 06, 2022 6:54 ISTThe sub-variants BA.4 and BA.5 are behaving the same as other mutants of COVID-19 variants. We have observed that it is quite mild, said Dr. Tarun Kumar Sahni, Internal medicine and hyperbaric Oxygen therapist at Indraprastha Apollo hospital.