Firehouse 51's first responders must work alongside the medical team at Gaffney Chicago Medical Center to contain the outbreak while the Intelligence Unit from Chicago P.D. investigates if the infection was spread intentionally .
is the fourth episode of Season 8 of the action-drama series Chicago Fire . It serves as the opening chapter of a massive three-part crossover event within the Chicago franchise, involving characters from Chicago Fire , Chicago Med , and Chicago P.D. . Crossover Viewing Order [S8E4] Infection, Part I
Chicago Med Season 5, Episode 4 – "Infection, Part II" . Firehouse 51's first responders must work alongside the
Because this episode is part of a continuous storyline, you must watch the following episodes in order to see the full narrative: It serves as the opening chapter of a
The story begins during a Chicago Bears tailgate at Soldier Field, where a man collapses with a horrific, fast-moving infection .
A rare but deadly "flesh-eating" bacteria begins spreading rapidly across the city .
Individual episodes are available for purchase on Apple TV and Amazon Prime Video .