(NPR) Many Americans Say 'No' To A Vaccine, Putting Chance Of Herd Immunity At Risk

Many Americans Say 'No' To A Vaccine, Putting Chance Of Herd Immunity At Risk

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Nearly a third of adults in the U.S. have gotten at least one shot of the COVID-19 vaccine so far, but researchers warn that vaccine refusal may keep the country from reaching herd immunity.



John Tlumacki/The Boston Globe via Getty Images


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John Tlumacki/The Boston Globe via Getty Images

Shots - Health News

Many Americans Say 'No' To A Vaccine, Putting Chance Of Herd Immunity At Risk

One in four Americans say they won't get a coronavirus vaccine. Researchers say it could keep the nation from reaching a critical tipping point.