Food Safety Report: Subway, West University Drive, McKinney, TX, USA 1 year ago • details 23 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Chills Suspected source: Subway sandwich Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: Me Additional information: I am very sick :(