An infection is the detrimental colonization of a host organism by a foreign species.
Infection, infected, or infectious may also refer to:
Film and television Film Infected (2008 film), a Canadian TV science fiction horror film Infected (2012 film), an American science fiction horror film Infected (2013 American film) or Quarantine L.A., an action horror film Infected (2013 British film) or The Dead Inside, a horror film
Infection (2003 film), a Croatian film Infection (2004 film), a Japanese horror film Infection (2019 film), a Venezuelan film
Television "Infected" (The Last of Us), a 2023 episode "Infected" (Law & Order: Special Victims Unit), a 2006 episode "Infected" (The Practice), a 1999 episode "Infected" (The Walking Dead), a 2013 episode
"Infection" (Babylon 5), a 1994 episode "Infection" (Chicago franchise), a 2019 crossover event "Infection" (Stargate Atlantis), a 2008 episode
Music Infected (band), an Australian metal band The Infected, an American punk band Infectious Music, a British record label
Albums Infected (The The album) or the title song, 1986 Infected (HammerFall album), 2011 The Infection, by Chimaira, 2009 Infectious, by Suburban Legends, 2007
Songs "Infected" (song), by Bad Religion, 1994 "Infected", by Baboon from Ed Lobster, 1991 "Infected", by Barthezz, 2001 "Infected", by Demon Hunter from Demon Hunter, 2002 "Infected", by Illidiance from Damage Theory, 2010 "Infected", by Tiësto and Jauz, 2016 "Infected", from the film Repo! The Genetic Opera, 2008 "Infection", by Beartooth from Disease, 2018 "Infection", by D'espairsRay from Coll:set, 2005 "Infection", by Lacuna Coil from Broken Crown Halo, 2014 "Infection", by Memphis May Fire from Shapeshifter, 2025 "Infection", by Rx Bandits from Progress, 2001 "The Infection", by Disturbed from Asylum, 2010 "The Infection", by In This Moment from Black Widow, 2014 "Infectious", by Imminence from Turn the Light On, 2019 "Infectious", by Anthrax from Cursum Perficio, 2026
Video games Infected (video game), a 2005 PlayStation Portable game Infected, a game mode in Call of Duty: Modern Warfare 3 Infection (video game) or Ataxx, a 1990 video board game The Infected, a faction of infected humans in The Last of Us video game franchise
Other uses Affection (linguistics), or infection, a type of vowel change in Celtic languages Infected (novel), a 2008 novel by Scott Sigler Infection (journal), a medical journal
See also
Affection (disambiguation)