CHICAGO FIRE Season 8 Episode 4 “Infection, Part I” Photos

Chicago Fire Episode 8×04 “Infection, Part I”

In the first part of a three-show crossover event, a rare but deadly bacteria takes its toll on numerous victims around the city, leaving Chicago’s finest first responders to work together alongside the CDC to resolve the dangerous situation.

Following a fire at a local university that ties into the outbreak, Severide has suspicions that something bigger is happening.

Air Date: Wednesday, Oct. 16 (8:00-9:00 pm ET/PT) on NBC.