Food Safety Report: Olive Garden Italian Restaurant, West Saginaw Highway, Lansing, MI, USA 2 years ago • details 16 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Headache Suspected source: Salad Onset: 12 to 24 hours Duration: 12 to 24 hours Sick: 2 people