Food Safety Report: Vang Vieng Walking Street, Unnamed Road, Vang Vieng, Laos 2 years ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Chills, Headache Suspected source: Watermelon smoothie, ice, rice, chicken Onset: Less than 4 hours Duration: 4 to 12 hours Sick: Me