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flag Stanford researchers develop nasal spray vaccine targeting flu and Covid-19.

flag Stanford researchers are developing a single nasal spray vaccine that could offer broad, long-term protection against multiple respiratory diseases like the flu and Covid-19. flag Early tests in mice show the approach triggers a powerful immune response that lasts for months. flag The vaccine combines the innate and adaptive immune systems, potentially allowing for a rapid, population-wide defense during future pandemics or for seasonal flu protection.

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