'The death toll would be enormous,' Fauci says of herd immunity to coronavirus in the U.S.
Most scientists think 60% to 80% of the population needs to be vaccinated or have natural antibodies to achieve herd immunity.
from International: Top News And Analysis https://ift.tt/3arWKqX
from International: Top News And Analysis https://ift.tt/3arWKqX
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