Clostridium difficile-associated disease (CDAD): What we know, what we don't know, and what we learned from the Quebec epidemic

Mark A. Miller, MD, FRCPC, assoc. prof, Medicine and Microbiology/Immunology, McGill, chief, Dept of Microbiology, Head, Div. of Infectious Diseases, chair, Infection Prevention and Control Unit, JGH, and chair, Infection Control Working Group (MUHC)