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Vaccines

Covid-19

Intranasal vaccines aim to stop COVID-19 where it starts

Vaccines that are sprayed into the nose could induce mucosal immunity and help stop the spread of the coronavirus, if vaccine developers can prove that they work

by Ryan Cross
June 6, 2021 | A version of this story appeared in Volume 99, Issue 21
An illustration of a nose blended into a blue background, surrounding by pink virus particles.

Credit: C&EN/Shutterstock

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