apple developer：WHO warns coronavirus herd immunity unlikely this year

WHO chief scientist Soumya Swaminathan says rules such as hand washing and physical distancing must continue to be enforced and obeyed a’s we are not going to achieve any levels of population immunity or herd immunity in 2021’. – EPA pic, January 12, 2021. SCIENTISTS at the World Health Organisation warned mass inoculation would not bring about herd immunity to the coronavirus this year, even as a leading vaccine maker boosted its production forecast.Infections numbers are surging around the world, especially in Europe where nations have been forced to ramp up virus restrictions even as vaccines are rolled out.
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