Food Safety Report: Mighty Fine Burgers, North Mopac Expressway, Austin, TX, USA 2 years ago • details 71 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: hamburger, fries, and/or ranch dressing Onset: 12 to 24 hours Duration: 12 to 24 hours… See more