Food Safety Report: SAKURA SUSHI COBOURG, King Street West, Cobourg, Ontario, Canada 2 years ago • details 8 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, other: Burping Suspected source: I had sushi about an hour and a half ago Onset: Less than 4 hours Duration: 4 to 12 hours Sick: Me