Food Safety Report: Papa Johns Pizza, Etruria Road, Hanley, Stoke-on-Trent, UK 1 year ago • details 39 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Headache Suspected source: pizza Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me Additional information: Vegan pizza