Food Safety Report: Prawns, CARREFOUR, Vaulx-en-Velin, France 2 years ago • details 2 Comments Comment Suspicion of food poisoning. Symptoms: Vomiting Suspected source: GAMBAS Onset: 4 to 12 hours Duration: other: TERMINE Sick: Me Additional Information: I bought raw prawns from CARREFOUR and cooked them. I was sick for 1 day (vomiting)