The INSACOG has confirmed the presence of the BA.4 and BA.5 Omicron sub-variants of the coronavirus in India — one case in Tamil Nadu and another in Telangana.
BA.4 and BA.5 are sub-variants of the highly-transmissible Omicron variant of the virus.
In a statement on Sunday, the Indian SARS-CoV-2 Genomics Consortium (INSACOG) said a 19-year-old woman in Tamil Nadu has been found infected with the BA.4 sub-variant of the virus.
The patient has shown only mild clinical symptoms and has been fully vaccinated. She had no travel history.
Earlier, a South African national was reported positive for the BA.4 sub-variant of Omicron on arrival at the Hyderabad airport.
In another case, an 80-year-old man in Telangana has tested positive for the BA.5 sub-variant of the virus. He has shown only mild clinical symptoms and has been fully vaccinated. The patient had no travel history.