Food Safety Report: Panera Bread, Main Street, Williamsville, NY, USA 8 months ago • details Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Mediterranean salad and sandwich Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me