Food Safety Report: Taco Bell, U.S. 412, Siloam Springs, AR, USA 1 year ago • details 16 Suspected food poisoning. Symptoms: Nausea, Vomiting, Stomach Pain Suspected source: taco bell soft taco supreme Onset: 1 to 2 days Duration: 12 to 24 hours Sick: 2 people Additional information: chicken quesadilla was eaten by my son