MedlinePlus Medical Encyclopedia: Influenza

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Influenza

Influenza, also known as the flu, is caused by a virus.

Update Date: 9/6/2006

Updated by: Hilary M. Babcock, M.D., Medical Director of Occupational Infection Control, Barnes-Jewish and St. Louis Children's Hospitals; Instructor of Medicine, Infectious Disease Division, Washington University School of Medicine, St. Louis, MO. Review provided by VeriMed Healthcare Network.

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