ER: Fevers of Unknown Origin

Susan throws herself into her work to take her mind off her personal dilemma's. Shep's growing hostility leads to an accident when he pushes a young boy whilst attending a ghetto shooting. Carter is forced to work on some pedetriac cases before he can graduate. Doug and Karen begin a relationship in the absence of Doug's father, who has gone to the Camon Islands. Harper tells everyone that she is going to go to Dallas for her OB rotation and whats going on with Mark and Jen now? Meanwhile, the Resident of the Year announcement is made, but who is it, and who voted for them?