Food Safety Report: Tim Hortons, William Street, Cobourg, ON, Canada 9 months ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Vomiting, Nausea, Fever, Stomach Pain, Cramps, Fever Suspected source: Tim Hortons Egg & Cheese English Muffin Breakfast Sandwich Onset: Less than 6 hours Duration: Several days… See more