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BA.4 Omicron variant News

11 Jun 2022

Tamil Nadu on alert amid detection of Covid clusters, BA.4 & BA.5 variants

Tamil Nadu CM directed officials to stem the transmission of Covid-19. Tamil Nadu Health Department official attributed rise in cases to detection of BA.4 and BA.5 sub-variants of Omicron.

Omicron subvariants

05 Jun 2022

Covid fourth wave scare: Tamil Nadu reports 12 cases of BA.4, BA.5 variants

Out of the 12 samples, four are positive for BA.4 variant and rest for BA.5. Tamil Nadu govt has asked district collectors to ensure Covid protocols are followed. Tamil Nadu reported 107 new Covid cases on Sunday.

BA.4 Omicron variant

23 May 2022

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

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

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