1651Role of Metronidazole vs Vancomycin as Initial Therapy in Hospitalized Patients with Mild to Moderate Clostridium difficile Infection (CDI) with NAP1 vs non-NAP1 Disease. (December 2014) - Dubrovskaya, Yanina; Siegfried, Justin; Flagiello, Thomas; Scipione, Marco R.; Chen, Donald; Phillips, Michael; Papadopoulos, John; Safdar, Amar