Food Safety Report: Olive Garden Italian Restaurant, Strander Boulevard, Tukwila, WA, USA 2 years ago • details 214 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills, Headache Suspected source: The pasta with shrimp and scallops Onset: 1 to 2 days Duration: Several days