influenza

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Influenza virus

influenza pandemic of 1918–19: temporary hospital

Why don't flu shots always work?

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influenza: Facts & Related Content

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Last Updated: Oct 17, 2025

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Also Known As	grippe • flu

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Influenza virus

influenza pandemic of 1918–19: temporary hospital

Why don't flu shots always work?

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infectious disease: Influenza vaccine

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Thomas Francis, Jr.

American microbiologist

Lancisi, miniature by an unknown artist

Giovanni Maria Lancisi

Italian physician

A Yorkshire terrier dressed up as a veterinarian or doctor on a white background. (dogs)

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