Food Safety Report: Subway, 18170 Zane St NW, Elk River, MN 55330, United States 1 year ago • details 14 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: their food Onset: 11 Hours Duration: 7 hours Sick: 2