Food Safety Report: Olive Garden Italian Restaurant, East US Highway 36, Avon, IN, USA 1 year ago • details 28 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: minestrone soup salad Onset: Less than 4 hours Duration: Several days Sick: Me