Researchers have developed a nasal spray for flu prevention that has shown promising results in preliminary human trials. Seasonal influenza (the flu) is an acute respiratory infection that affects up to one billion people per year and causes hundreds of thousands of deaths. While flu shots can be effective, they are always a best guess because scientists are never fully certain about which strains will circulate. At best, they are only 50% effective, according to historical data.
Source: https://medicalxpress.com/news/2026-02- ... sults.html
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