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WHO Quashes Britain And Sweden’s Claim Of Reaching Herd Immunity

Jul 24, 2020 11:00 PM IST iVideos iVideos

The chief scientist at the World Health Organization estimates that about 50 per cent to 60 per cent of the population will need to be immune to the coronavirus for there to be any protective "herd immunity" effect. Herd immunity is usually achieved through vaccination and occurs when most of a population is immune to a disease, blocking its continued spread.