Food Safety Report: Wendy's, Langstaff Road, Concord, ON, Canada 2 years ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Wendy’s chicken nuggets Onset: 4 to 12 hours Duration: 12 to 24 hours Additional information: I had… See more