Food Safety Report: Burger King, Plaza Curros Enríquez, Pontevedra, Spain 1 year ago • details 1 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain Suspected source: Burger King chicken sandwich Onset: 12 to 24 hours Duration: 12 to 24 hours Additional information: This is for my sister, she is 15 and we are traveling.