Stanford researchers take a step toward developing a ‘universal’ flu vaccine

On the surface of the flu virus sits a mushroom-shaped protein with a head that changes and a stem that stays more constant; current vaccines target the head so they must change each year; could a vaccine that targets the stem offer broader, multi-year protection?

Fuente : http://www.eurekalert.org/pub_releases/2013-12/sso…



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