Food Safety Report: Subway, Toronto Pearson International Airport (YYZ), Silver Dart Drive, Mississauga, ON, Canada 10 months ago • details Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: Turkey Onset: 4 to 12 hours Duration: 4 to 12 hours