💉 Shot or 👃 nasal spray: which would you choose? New research suggests that FluMist may help train the immune system right where influenza first enters the body - the lining of the nose. Researchers found influenza-specific memory B cells living in the upper airway for at least 6 months after the nasal vaccine, something they did not detect after the traditional flu shot. Does that mean FluMist is better? Not necessarily. This study looked at the immune response, not whether the nasal spray prevents more cases of flu than injectable vaccines. But it raises a good question: Could building immunity directly at the entry point of respiratory viruses help us design better vaccines in the future? #FluMist #FluVaccine #Influenza #Science #PublicHealth
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