: The original patients die quickly, and by the end of the episode, both Tyler and Dr. Lim are infected and in critical condition. Key Character Arcs
: His son, Kellan, is trapped inside the ER and begins showing symptoms, leaving Park desperate and beating on the quarantine doors. [S2E10] Quarantine
: When a paramedic (Tyler) also falls ill, Dr. Lim officially locks down the ER. No one is allowed to enter or leave, leading to rising panic among patients and staff. : The original patients die quickly, and by
: They are forced to operate on a patient, Chris, who requires a bone marrow transplant from his estranged father. Melendez violates a DNR (Do Not Resuscitate) order to keep the patient alive, setting up future ethical conflicts. : The original patients die quickly