Food Safety Report: Chinnor Library, Station Road, Chinnor, UK 2 years ago • details 1 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Stomach Pain, Cramps Suspected source: Gammon Onset: Less than 4 hours Duration: 4 to 12 hours Additional information: I’m 7 weeks pregnant . It was at someone’s house