The B.1.617 virus variant, first identified in India last year, has been classified as a ‘variant of concern’ at the global level by the World Health Organisation.
https://ift.tt/eA8V8J< May 19, 2021 at 08:26AM> from The Hindu - International https://ift.tt/3eWj3Jl
American vaccines effective against COVID strain first found in India, say U.S. officials
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