J&J Says Its Booster Shot Provides Increased Protection From COVID-19

By Rachel Martin,
Rob Stein
Published September 21, 2021 at 5:31 AM CDT
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Rachel Martin
Rachel Martin is a host of Morning Edition, as well as NPR's morning news podcast Up First.
See stories by Rachel Martin
Rob Stein
Rob Stein is a correspondent and senior editor on NPR's science desk.
See stories by Rob Stein