Food Safety Report: Cafe Rio Mexican Grill, North Harris Boulevard, Layton, UT, USA 2 years ago • details 15 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: Sweet pork salad Onset: Less than 4 hours Duration: 12 to 24 hours