Infection, Part I
Season 8, episode 4 of Chicago Fire (2012) · 2019-10-16
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Episode Summary
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.Part II continues on Chicago Med, Part III on Chicago PD.