Food Safety Report: McDonald's, Talcottville Road, Vernon, CT, USA 1 year ago • details 19 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills, Headache Suspected source: Hamburger here Onset: 4 to 12 hours Duration: Several days Sick: Me Additional information: Incontinent of liquid green stool