Food Safety Report: Philly Cheesesteak, Kannapolis, NC, USA 1 year ago • details 19 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Chills Suspected source: pilily cheesesteak sandwich Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: 2 people