U.K. Preparing COVID-19 Vaccine Trials That Deliberately Expose Study Subjects

NPR | By Scott Neuman

Published October 20, 2020 at 6:40 AM MDT

Proponents say that such controversial "human challenge" studies can speed up vaccine development. But others cite ethical concerns.

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Scott Neuman

Scott Neuman is a reporter and editor, working mainly on breaking news for NPR's digital and radio platforms.