What is herd immunity and why do some think it could end the coronavirus pandemic?

  • By cvbizz
  • April 23, 2020
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via wyff.com

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The concept of herd immunity is a simple one. But achieving it? Not so much.As the coronavirus pandemic spreads throughout the world, doctors, scientists, and government leaders alike have said that once herd immunity was achieved, the spread of the virus would be less of a threat. Herd immunity is reached when the majority of a given population — 70 to 90% — becomes immune

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