Food Safety Report: Costco Wholesale, West Washington Street, Sequim, WA, USA 6 months ago • details Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Fever, Stomach Pain, Chills, Headache Suspected source: Impossible burgers Onset: 4 to 12 hours Duration: Several days Additional information: Chills, sweating, stomach pain, diarrhea, nausea, dizzy...had Impossible burgers 3-4 hours prior.