The tricky race between coronavirus variants and vaccines
Debananda S Ningthoujam27 Mar 2021
If vaccine escape mutants arise, then herd immunity mayn't be achieved even if a large section gets vaccinated.
Found2articles in tagdouble-mutant-variant
COVID-19: New 'double mutant variant, 'variants of concern' detected in India
IFP Bureau24 Mar 2021
771 COVID-19 variants of concerns (VOCs) have been detected in the country so far.
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