Food Safety Report: Frozen Pizza, Stater Bros. Markets, Foothill Boulevard, La Verne, CA, USA 1 month ago • details 294 Suspected food poisoning. Symptoms: Diarrhea, Stomach Pain, Cramps, Chills Suspected source: frozen pizza Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: Me Additional information: cold sweats