Food Safety Report: Niro's Gyros founded 1999, West Springfield Avenue, Champaign, IL, USA 4 months ago • details 115 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Cramps, Chills Suspected source: Gyro sandwich is Onset: Less than 4 hours Duration: 4 to 12 hours Sick: Me