The chief scientist of the WHO, Dr Soumya Swaminathan, on Friday warned that the concept of "herd immunity", or a large section of the population developing antibodies against COVID-19, is still a...
from NDTV News - Topstories https://ift.tt/32SiHxx
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from NDTV News - Topstories https://ift.tt/32SiHxx
https://ift.tt/eA8V8J
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