Food Safety Report: KFC Sandton City, Food Court Level, Sandton Drive, Sandhurst, Sandton, South Africa 1 year ago • details 16 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: Ate a burger Onset: Less than 4 hours Duration: 12 to 24 hours