All Clostridia cause myonecrosis except-: (A) C septicum, (B) C difficle, (C) Cnovyi, (D) C welchii
Answer is B. Ans. is 'b' i.e., C difficle o Anaerobic myonecrosis (gas gangrene) is caused by-Cl perfringens (Cl welchii) - most common (80%)Cl SepticumCl novyiCl histolyticumo Cl difficle causes Clostridium difficle-associated disease (CDAD) which also includes pseudomembranous enterocolitis.