Food Safety Report: Wawa, 4000 North Dupont Highway, New Castle, DE, USA 1 year ago • details 8 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain Suspected source: Ham and cheese sandwich Onset: 4 to 12 hours Duration: Less than 4 hours Additional information: Italian sub got me e-coli