Food Safety Report: Costco Warehouse, North Verrado Way, Buckeye, AZ, USA 10 months ago • details 40 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: Chicken pot pie from Costco Onset: Less than 4 hours Duration: 4 to 12 hours Sick: Me