Food Safety Report: Wildfire, Oakbrook Center, Oak Brook, IL, USA 5 days ago • details 43 Suspected food poisoning. Symptoms: Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: French Onion Soup Onset: 12 to 24 hours Duration: 4 to 12 hours Sick: Me