BA.4 Omicron variant

Tamil Nadu on alert amid detection of Covid-19 clusters, BA.4 and BA.5 variants

Tamil Nadu CM MK Stalin directed officials to organise awareness campaigns underlining the need to follow Covid-19 protocols like wearing masks and maintaining social distancing. 

Jun 11, 2022, 18:50 PM IST

Covid-19 fourth wave scare: Tamil Nadu reports 12 cases of BA.4, BA.5 Omicron subvariants

Tamil Nadu Health minister Ma Subramanian said out of the 150 samples collected from the state, 12 have tested positive for the Omicron subvariants– BA.4 and BA.5– of the coronavirus.

Jun 05, 2022, 19:32 PM IST

No BA.4 variant spread in Tamil Nadu, first patient fully recovered: Health Secy

 BA.4 Omicron variant was first discovered in Tamil Nadu a19-year-old college student from neighbouring Chengalpattu district, PTI reported.

May 23, 2022, 20:13 PM IST