Food Safety Report: Costco Wholesale, Buffalo Run Boulevard, TSUUT'INA, AB, Canada 1 year ago • details 7 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain Suspected source: Ham or sour cream Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: 4 people