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Coronavirus vaccine still might not lead to herd immunity in U.S., Fauci warns


The U.S. is “unlikely” to develop herd immunity to COVID-19, Dr. Anthony Fauci said Sunday, due to the likely combination of only a partially effective vaccine and the large number of people who refuse to take it.

Speaking Sunday night to CNN’s Elizabeth Cohen as part of the Aspen Ideas Festival, Fauci said he would “settle” for a coronavirus vaccine that is 70% to 75% effective. By comparison, a measles vaccine is 97% to 98% effective.

“That would be wonderful if we get there,” Fauci, the government’s top infectious disease expert, said. “I don’t think we will. I would settle for a 70, 75% effective vaccine.”

Fauci said he remains…


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