Food Safety Report: Burger King, East 120th Avenue, Northglenn, CO, USA 2 years ago • details 37 Comments Comment Suspected food poisoning. Symptoms: Diarrhea Suspected source: wopper and onion rings and french fries Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: 2 people Additional information: I know it was the food from here that made me have diarrhea