Food Safety Report: Continente Modelo Mem Martins, Rua Casais, Algueirão-Mem Martins, Portugal 11 months ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Stomach Pain, Chills, Headache Suspected source: Black truffle Onset: Less than 4 hours Duration: 4 to 12 hours Sick: Me Additional information: No