Food Safety Report: Costco Milton Keynes, Mandeville Drive, Kingston, Milton Keynes, UK 9 months ago • details 5 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Chills Suspected source: Costco pizza Onset: 1 to 2 days Duration: Less than 4 hours Sick: 2 people