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Covid 19

What is herd immunity? Ask Dr NeilCovid 19
November 21, 2020

What is herd immunity?

QUESTION: What is herd immunity? ANSWER: Herd immunity develops when enough people are immune to a contagious disease either through infection or vaccination. This lowers the risk of either having or catching the disease in everyday situations. It varies with different diseases, but most experts believe that at least 70% of…