Influenza, known colloquially as the flu or flu virus, was a common Human virus, causing fever, congestion, and other symptoms.
Common treatments included Tryptophan-lysine distillate and Pulaski's chicken soup.
Similar ailments included Toluncan ague.
A crewmember on USS Enterprise-D came down with a flu virus after the ship stopped at Nasreldine. (TNG: "The Icarus Factor")
Howard was out with the flu in the Vic's lounge's holoprogram after it was co-opted by a jack-in-the-box, complicating the heist the crew of Deep Space 9 were performing in 2375. (DS9: "Badda-Bing, Badda-Bang")
The isolated USS Voyager was known to have a flu season, when the flu was more communicable. (VOY: "Virtuoso")
Other types of flu[]
- Andorian flu
- Ankaran flu
- Arethian flu
- Crestian flu
- Kamaraazite flu
- Levodian flu
- Tanzian flu
- Tarkalean flu
- Thelusian flu
- Urodelan flu
Furthermore, a Mastradonian flu elixir was mentioned in a draft script of ENT: "Dear Doctor".