Contagion

Contagion may refer to:

Medicine

 * Contagious disease

Social science

 * Social contagion, the spontaneous spread of thoughts, feelings, or behaviors through a group or network
 * Emotional contagion, a tendency to feel others' emotions
 * Behavioral contagion, a tendency to mimic others' behavior
 * Law of contagion, a folk belief related to magical thinking
 * Financial contagion, a scenario in which financial shocks spread to other financial sectors
 * Hysterical contagion, an effect in which a group exhibits physical symptoms due to a psychological cause
 * Sacred contagion, the belief that spiritual properties pass from one entity to another
 * Complex contagion, a social networking phenomenon
 * Contagion heuristic, a psychological technique

Film and television

 * Contagion (1987 film), directed by Karl Zwicky
 * Contagion (2002 film), featuring Bruce Boxleitner
 * Contagion (2011 film), directed by Steven Soderbergh
 * "Contagion" (Star Trek: The Next Generation), 1989 TV episode

Music

 * Contagion (Oceano album), 2010
 * "Contagion", a song by Black Dahlia Murder on the 2003 album Unhallowed

Other uses

 * Contagion (novel), by Robin Cook
 * Batman: Contagion, a comic book story arc
 * Coded Arms: Contagion, a 2007 video game
 * Contagion (video game), a 2014 video game