Flu (disambiguation)

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Flu is an infectious disease of birds and mammals caused by RNA viruses of the family Orthomyxoviridae, the influenza viruses.

Flu or FLU may also refer to:



  • Avian flu, influenza caused by viruses adapted to birds
  • Dog flu, influenza occurring in canine animals
  • Equine flu, influenza caused by viruses endemic in horses
  • Human flu, influenza caused by viruses endemic in human populations
  • Swine flu, influenza caused by viruses endemic in pigs

Other diseases[edit]

  • Flu-like illness, illness similar to flu, mistaken for flu, called flu
  • Cat flu, the common name for a feline upper respiratory tract disease
  • Haemophilus influenzae, or H. flu, a bacterial infection which can cause respiratory infections and sepsis
  • Influenza-like illness, a medical diagnosis of possible influenza or other illness causing a set of common symptoms
  • Stomach flu, also known as gastroenteritis



  • Flushing Airport (IATA airport code: FLU; ICAO airport code: KFLU), Queens, New York City, New York State, USA

Art, entertainment, and media[edit]

Other uses[edit]

See also[edit]