Food Safety Report: Taco John's, East 3rd Street, Alliance, NE, USA 9 months ago • details 1 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: Fish and beef tacos at Taco John's Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: 2 people