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Vacuna contra la gripe

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¿Qué es la gripe? Cada invierno, millones de personas se enferman de gripe. La gripe, el nombre común de la influenza, es un virus que afecta la nariz, la garganta y los pulmones. Se trasmite de persona a persona, como cuando una persona infectada tose o estornuda.

Online Medical Reviewer: Foster, Sara, RN, MPH

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