Food Safety Report: Dunkin', Windsor Avenue, Vernon, CT, USA 1 year ago • details 5 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills Suspected source: Dunkin' donuts frozen hot chocolate Onset: Less than 4 hours Duration: 12 to 24 hours Sick: 2 people… See more