Food Safety Report: Subway, 825 Saint-Laurent Street West, Longueuil, QC, Canada 2 years ago • details 5 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Vomiting, Chills Suspected source: I ate a chicken sandwich at Subway Place Longueuil Onset: 4 to 12 hours Duration: Several days Additional information: I lost more than 10 pounds