Food Safety Report: McDonald's , Stratford-upon-Avon, UK 1 year ago • details 11 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: their plant based burger Onset: 6 Duration: Not sure as still unwell this morning....14 hours later Sick: 1