Food Safety Report: Tesco Superstore, Clodgey Lane, Helston, UK 3 years ago • details 1 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: Frozen corn on the cob taster off Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me