Food Safety Report: Subway, 7312 Federal Blvd, Westminster, CO 80030, USA 2 years ago • details 11 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Chills Suspected source: subway sandwich Onset: 12 to 24 hours Duration: 12 to 24 hours Sick: Me