Food Safety Report: Pepperoni Pizza, 7-Eleven, 9171 E Arapahoe Rd, Greenwood Village, CO 80112, USA 6 months ago • details 35 Suspected food poisoning. Symptoms: Vomiting, Stomach Pain, Cramps Suspected source: 7-11 pepperoni pizza Onset: 4 to 12 hours Duration: Less than 4 hours Sick: Me