Food Safety Report: Costco Wholesale, 4705 Weitzel Street, Timnath, CO 80547, USA 2 months ago • details 190 Suspected food poisoning. Symptoms: Fever, Stomach Pain, Chills, Headache Suspected source: Sample from Costco Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: A loved one