Food Safety Report: Dunkin', Denver International Airport (DEN), Denver, CO, USA 3 months ago • details 14 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Headache Suspected source: Dunkin donuts Onset: Less than 4 hours Duration: 4 to 12 hours Sick: 2 people Additional information:… See more