Food Safety Report: Domino's Pizza - Welwyn Garden City, Fretherne Road, Welwyn Garden City, UK 2 years ago • details 5 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Pizza Onset: 4 to 12 hours Duration: Less than 4 hours Sick: 2 people