Herd Immunity Is At Risk If Many People In U.S. Say 'No' To Vaccine

By Geoff Brumfiel
Published April 7, 2021 at 4:02 AM CDT
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Geoff Brumfiel
Geoff Brumfiel works as a senior editor and correspondent on NPR's science desk. His editing duties include science and space, while his reporting focuses on the intersection of science and national security.
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