Food Safety Report: Walmart Supercenter, State Road, Dartmouth, North Dartmouth, MA, USA 10 months ago • details 26 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Vomiting, Stomach Pain, Headache Suspected source: California Pizza Kitchen, Frozen Pizza Onset: Less than 4 hours Duration: 12 to 24 hours Sick: 2 people