**One Nasal Spray Could Protect Against COVID, Flu, Pneumonia, and More**
By Stanford Medicine - Published on 09 March 2026
A single nasal spray vaccine may one day protect against viruses, pneumonia, and even allergies. For decades, scientists have dreamed of creating a universal vaccine capable of protecting against many different pathogens. The idea has often been compared to a Holy Grail of medicine — a goal that seemed almost impossible to achieve. Now, researchers [...]
Read more: https://scitechdaily.com/one-nasal-spray-could-protect-against-covid-flu-pneumonia-and-more/
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