The pathogenic organism responsible for causation of Donovaniasis is-: (A) Chlamydia trachomatis, (B) Calymmatobacterium granulomatis, (C) Haemophilus ducreyi, (D) Herpes simplex virus
Answer is B. Granuloma Inguinale (Donovanosis) Granuloma inguinale is a genital ulcerative disease caused by the intracellular gram-negative bacterium Klebsiella granulomatis (formerly known as Calymmatobacterium granulomatis) Ref Harrison20th edition pg 1078