Food Safety Report: A&W Canada, Bow Valley Trail, Canmore, AB, Canada 2 years ago • details 1 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: Fries and/or burger Onset: 12 to 24 hours Duration: Several days Additional information: Symptoms not subsiding after 4 days