The main causative organism of Gas gangrene is: (A) Bacillus anthrax, (B) Cloastridium tetani, (C) Clostridium defficile, (D) Clostridium perfringens
Answer is D. Gas gangrene is caused by Clostridium PerfringensRef: Harrison&;s Principles of Internal Medicine; 19th edition; Chapter 156; Infections of the Skin, Muscles, and Soft Tissues