Food Safety Report: Walmart Supercenter, Conestoga Parkway, Shepherdsville, KY, USA 10 months ago • details 19 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Chills, Headache Suspected source: bagged spinach Onset: 12 to 24 hours Duration: Several days Sick: Me Additional information: slimy spinach in the middle of the good spinach