Food Safety Report: Roy Rogers, Frederick Road, Thurmont, MD, USA 9 months ago • details 3 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Stomach Pain, Headache Suspected source: Cheeseburger Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: 2 people Additional information: We ate here… See more