Food Safety Report: Walmart Supercenter, Bluebell Drive Southwest, New Philadelphia, OH, USA 6 months ago • details 32 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Headache Suspected source: Marie callanders chicken pot pie or walmart pizza Onset: 4 to 12 hours Duration: Less than 4 hours Sick: 2 people