Food Safety Report: Wendy's Hamburgers Chappie Place, Hornby, Christchurch, New Zealand 2 years ago • details 3 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: Hornby burger Onset: 3 to 5 hours Duration: Still going Additional information: Brought burgers lastnight 8.30pm and now very sick since about midnight