Food Safety Report: Firehouse Subs Boulevard Shoppes, Missouri Boulevard, Jefferson City, MO, USA 7 months ago • details 11 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain Suspected source: Firehouse subs Onset: 12 to 24 hours Duration: Less than 4 hours Sick: 2 people