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How nasal-spray vaccines could change the pandemic

Vaccines inhaled through the mouth or nose might stop the coronavirus in its tracks, although there’s little evidence from human trials so far.
  1. Emily Waltz

    1. Emily Waltz is a freelance writer based in Nashville, Tennessee.

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Student is given the H1N1 flu nasal spray vaccine in Washington.

A student in Washington DC receives an influenza nasal-spray vaccine, in 2009. Intranasal and oral COVID-19 vaccines are now in development. Credit: Hyungwon Kang/Reuters

Editor's note: Indian regulators approved Bharat Biotech's intranasal vaccine for emergency use on 6 September.

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Nature 609, 240-242 (2022)

doi: https://doi.org/10.1038/d41586-022-02824-3

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