Food Safety Report: Universal Studios Hollywood, Universal City Plaza, Universal City, CA, USA 2 years ago • details 56 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: Cookie crumble frappe and ham and Swiss crossaint Onset: 4 to 12 hours Duration: Several days Sick: 2 people