Food Safety Report: Firehouse Subs Smokey Point, 172nd Street Northeast, Marysville, WA, USA 3 years ago • details 30 Comments Comment Suspected food poisoning. Symptoms: Diarrhea,Nausea,Vomiting,Stomach Pain,Cramps,Chills,Headache Suspected source: Sub sandwich Onset: 1 hour Duration: 2 days Sick: 1 Additional information: Meatball sub