Herd immunity is achieved when the majority of population becomes immune to an infectious disease, either because they have become infected and recovered, or through vaccination.from Top India News- News18.com https://ift.tt/3diHwVP
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Sunday 31 May 2020
Herd Immunity as Covid-19 Strategy Risky, Countries Must Make Timely Interventions: CSIR DG
Herd immunity is achieved when the majority of population becomes immune to an infectious disease, either because they have become infected and recovered, or through vaccination.from Top India News- News18.com https://ift.tt/3diHwVP
via IFTTT
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