Food Safety Report: Culver's, Route 291, Harrisonville, MO, USA 1 year ago • details 9 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: Chicken Onset: Less than 4 hours Duration: 12 to 24 hours Sick: Me