Food Safety Report: Chick-fil-A, Harbison Drive, Vacaville, CA, USA 2 years ago • details 50 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Cramps, Headache Suspected source: Chick-fil-A Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me