Food Safety Report: Zucchini, Walmart Supercenter, West Main Street, Durant, OK, USA 7 months ago • details 8 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Headache Suspected source: Raw zucchini Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me