Infection (3)
| Episode Number | 4 |
|---|---|
| Season | 7 |
| Aired | 2019-10-16 |
| Overview | After zeroing in on a suspect responsible for bioterrorism, the P.D. prepares to undertake its biggest manhunt yet; Upton is torn between helping track down the perp and providing emotional support to a scared young girl who needs her. (Infection (1) Chicago Fire S08E04) (Infection (2) Chicago Med S05E04) |
| Runtime | 40 minutes |
| Absolute Number | 132 |
| Finale Type |