Chicken Causes Extended Illness - Popeyes,

Had 2 pieces of chicken, roommate had 3 pieces. Diarrhea started the next morning for both of us. Roommate recovered quickly, I had diarrhea for 6 days. Finally went to Urgent Care for medicine on day 6. They mentioned oil may be rancid & ran some tests | Symptoms: Diarrhea, Nausea, Fever