Food Safety Report: Olive Garden Italian Restaurant, South Beulah Boulevard, Flagstaff, AZ, USA 2 years ago • details 87 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Chills, Headache Suspected source: food here Onset: Less than 4 hours Duration: 12 to 24 hours Sick: Me