Food Safety Report: Sioux Falls, SD, USA 2 years ago • details 84 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills Suspected source: Canned corn, boxed mashed potatoes, and rolls Onset: 12 to 24 hours Duration: 4 to 12 hours Sick: Me