Food Safety Report: McDonald's, 8th Street Southwest, Altoona, IA, USA 2 years ago • details 24 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Chills Suspected source: McDonald’s Onset: 1 to 2 days Duration: 12 to 24 hours Sick: Me Additional information: The employees were looking suspicious