Food Safety Report: Shake Shack Upper East Side, East 86th Street, New York, NY, USA 3 years ago • details 131 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: hamburger Onset: 4 hours Duration: 3 days Sick: not sure