Food Safety Report: 7-Eleven, Davie Street, Vancouver, BC, Canada 1 year ago • details 195 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Headache Suspected source: 7-11 pizza Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me Additional information: Looked freshly cooked