B.1.617 was the mutant which was increasing in some part of the country like Maharashtra, West Bengal, Karnataka
20 May 2021 11:48 AM IST
WHO has added B.1.621 (including B.1.621.1) to the list of Variants of Interest (VOI) on August 30 and christened it Mu
15 Sept 2021 1:30 PM IST