70% Immunity In Population Not Enough To Check Delta Spread: Study | Coronavirus: Facts vs Myths

Experts now say that even 70 per cent immunity in the population isn't high enough to resist the spread of the Delta variant. A recent study in The Lancet says, "With the elevated transmissibility of circulating variants, vaccination coverages as high as 90% in adults might be necessary to fully relax control measures towards the end of 2021." How does this revelation in the context of the US change the strategy for India?

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