Food Safety Report: KFC Murwillumbah, Wollumbin Street, Murwillumbah NSW, Australia 3 years ago • details 5 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Headache Suspected source: Zinger burger Onset: Less than 4 hours Duration: 12 to 24 hours Additional information: Husband ate the same thing and is also sick