Food Safety Report: Wynn Las Vegas, Las Vegas Boulevard South, Las Vegas, NV, USA 1 month ago • details 1.8K Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Chills Suspected source: Not sure Onset: Less than 4 hours Duration: Several Weeks Sick: 6 people Additional information: Have been sick since not getting better.