Food Safety Report: Kopp's Frozen Custard | Brookfield, West Bluemound Road, Brookfield, WI, USA 7 months ago • details 13 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache, other: Other Suspected source: Chicken sandwich from Kopps Onset: 4 to 12 hours Duration: Several days Sick:… See more