Food Safety Report: Hungry Jack's Burgers South Coffs Harbour, Pacific Highway, Coffs Harbour NSW, Australia 2 years ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: Hungry jacks burgers Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: 2 people