Food Safety Report: KFC, East Silverado Ranch Boulevard, Las Vegas, NV, USA 2 years ago • details 65 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Vomiting Suspected source: FRENCH FRIES, CLAM CHOWDER PURCHASED FROM A LOCAL RESTAURANT, HOMEMADE GARLIC BREAD. Onset: 4 to 12 hours Duration: 4 to 12 hours… See more