Food Safety Report: A&W Canada, 733 Central Parkway West, Mississauga, ON L5B 4L1, Canada 8 months ago • details 80 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills Suspected source: Burger and onion rings Onset: 12 to 24 hours Duration: 4 to 12 hours Sick: Me… See more