Food Safety Report: Taco Bell, U.S. 81, Duncan, OK, USA 3 years ago • details 13 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Chills, Headache Suspected source: their fiesta veggie burrito Onset: 1 to 2 days Duration: 12 to 24 hours Sick: Me