Food Safety Report: Wendy's, Brentwood Road Northwest, Calgary, AB, Canada 2 years ago • details 14 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills Suspected source: Chicken sandwich Onset: 4 to 12 hours Duration: Several days Sick: 4 people Additional information: April 13, 2023. Chicken sandwiches.