Food Safety Report: Costco Tijuana 1, Enrique Silvestre Avenue, Los Santos, Tijuana, B.C., Mexico 2 years ago • details 3 Comments Comment Alleged food poisoning. Symptoms: Diarrhoea, Nausea, Vomiting, Stomach Pain, Cramps Alleged source: Costco chicken Start: Less than 4 hours Duration: Several days Sick people: 4 people