Food Safety Report: Kentucky Fried Chicken, Haifa-Allee, Mainz, Germany 9 months ago • details 3 Suspected food poisoning. Symptoms: diarrhea, nausea, vomiting, stomach pain, cramps, chills, headache, other: back pain Suspected source: Chicken Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: I Additional information: Leg pain headache