: Additional cases surface, including a woman and her child at a gas station, leading the CDC to step in as the situation escalates into a full-scale city epidemic. Investigation and Suspicion
: Investigations by the Office of Fire Investigation (OFI) confirm the university fire was deliberately set to destroy evidence in a lab that was actually researching treatments for this specific bacteria. [S8E4] Infection, Part I
The episode raises the stakes by placing the main characters in direct peril. : Additional cases surface, including a woman and