Intranasal COVID vaccine that works against variants in animals

An intranasal vaccine against SARS-CoV-2 could quickly get to the respiratory tract, where the virus most commonly causes symptoms. And a spray or droplets could be a more palatable option for people who fear needles. But so far, only a few countries have approved COVID nasal vaccines. Now researchers report that they’ve developed one that can fight off the original virus and two variants in hamsters.

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