Food Safety Report: Walmart Supercenter, East 29th Street, Muncie, IN, USA 1 year ago • details 4 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Cramps Suspected source: I ate a rack of prepackaged Smithfield baby back ribs in sauce. Onset: 4 to 12 hours Duration: Less than 4 hours Sick: 2 people