Food Safety Report: Wawa, Silvia Street, Ewing Township, NJ, USA 2 years ago • details 4 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, other: Other Suspected source: Buffalo Chicken wrap Onset: Less than 4 hours Duration: 12 to 24 hours Sick: Me