Food Safety Report: Burger King, Milton Avenue, Janesville, WI, USA 1 week ago • details 29 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Fever, Stomach Pain, Chills, Headache Suspected source: Whopper Onset: 4 to 12 hours Duration: Several days Sick: Me Additional information: Only thing I ate that day in total