Food Safety Report: Costco Wholesale, Ynez Road, Temecula, California, USA 2 years ago • details 116 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: chicken quesadilla Onset: 12 to 24 hours Duration: Several days Sick: Me