Food Safety Report: Panera Bread, North Bellflower Boulevard, Long Beach, CA, USA 3 months ago • details 33 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Chills, Headache Suspected source: Cheese sandwich, tomato soup Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: Me