Food Safety Report: Costco Wholesale, 12020 N Newport Hwy, Spokane, WA 99218, USA 7 months ago • details 222 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: Marie Callender chicken pot pie Onset: 4 to 12 hours Duration: 4 to 12 hours