Food Safety Report: Walmart Supercenter, Parkway Village Court, Winston-Salem, NC, USA 8 months ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: Milk Onset: Less than 4 hours Duration: 4 to 12 hours Sick: 2 people