Food Safety Report: Quorn Vegan Chicken Slices, Bath, UK 1 year ago • details 27 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps Suspected source: Quorn Vegan Chicken Slices Onset: 12 to 24 hours Duration: One Week Additional information: I ate these slices at home the day I bought them.