Food Safety Report: McDonald's, West Polk Road, Hart, MI, USA 2 years ago • details 6 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting Suspected source: Cupcake or uncooked hamburger Onset: More than 2 days Duration: 4 to 12 hours Sick: 2 people Additional information: Symptoms of the 2 individuals were 10 days apart