Food Safety Report: Culver’s, Brooklyn Boulevard, Brooklyn Center, MN, USA 2 years ago • details 25 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Chills Suspected source: food poisoning or stomach flu Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me