Food Safety Report: Burger King, 2091 Harvey Ave, Kelowna, BC, Canada 1 year ago • details 15 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Headache, Hot flashes Suspected source: Burger king Onset: 10 to 15 minutes Duration: Less than 4 hours Sick: Me Sick: 4 people