Food Safety Report: Walmart Supercenter, East Ben White Boulevard, Austin, TX, USA 1 year ago • details 23 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Chills, Headache Suspected source: Mac and cheese, Milk, shredded cheese Onset: Less than 4 hours Duration: 12 to 24 hours Sick: Me