Food Safety Report: Subway, 3623 Mt Vernon Rd, Gainesville, GA, USA 2 years ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: there Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: Me