Food Safety Report: Super CHINA BUFFET, North Narragansett Avenue, Chicago, IL, USA 9 months ago • details 20 Suspected food poisoning. Symptoms: Nausea, Vomiting, Stomach Pain, Cramps, Headache, other: Hot flashes Suspected source: Chinese Buffet Onset: 1 to 2 days Duration: 4 to 12 hours Sick: 2 people