Food Safety Report: Sainsbury's Selly Oak Boulevard Superstore, Aston Webb Boulevard, Selly Oak, Birmingham, UK 2 years ago • details 7 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: Sainsbury’s sushi Onset: 12 to 24 hours Duration: 12 to 24 hours Additional information: Symptoms still ongoing