Food Safety Report: Hiro Japanese Buffet, South Parker Road, Aurora, CO, USA 2 years ago • details 19 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Chills, Headache Suspected source: Sushi Onset: 12 to 24 hours Duration: 12 to 24 hours Sick: 4 people