Food Safety Report: Walmart Supercenter, Southeast Ensign Lane, Warrenton, OR, USA 1 year ago • details 14 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: Premade sandwhich Onset: 12 to 24 hours Duration: Several days Sick: 2 people