Food Safety Report: Panda Express, South Las Vegas Boulevard, Las Vegas, NV, USA 1 year ago • details 256 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Headache Suspected source: Panda Express at lunch Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: A loved one Additional information: Panda Express in the Venetian Hotel