Food Safety Report: Cheba Hut "Toasted" Subs, Colorado Boulevard, Denver, CO, USA 2 years ago • details 37 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Cramps, Chills, Headache Suspected source: Roast beef sandwich or tuna salmon bowl Onset: 4 to 12 hours Duration: 4 to 12 hours… See more