A 30 year old male patient has a large, spreading and exuberant ulcer with bright red granulation tissue over the glands penis. There was no lymphadenopathy. The most likely causative organism is;: (A) Treponema pallidum, (B) Herpes simplex virus type 1, (C) Herpes simplex virus type 2, (D) Calymmatobacterium granulomatis
Answer is D. D i.e. Calymmatobacterium granulomatis