Scientists create universal nasal spray vaccine that protects against COVID, flu, and pneumonia (www.sciencedaily.com)

submitted 3 weeks ago by HumbleExaggeration@feddit.org to c/science@lemmy.world

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"I think what we have is a universal vaccine against diverse respiratory threats," Pulendran said.

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[-] justsomeguy@lemmy.world 1 points 3 weeks ago

the nasal spray vaccine supercharges the lungs’ own immune defenses, keeping them on high alert for months

I can see this working against bacteria and viruses but how does it block allergens? Isn't an overly strong immune reaction how they start to begin with?

this post was submitted on 23 Feb 2026

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