Donovanosis is caused by ?: (A) Calymmatobacterium granulomatosis, (B) Legionella, (C) Chlymadia, (D) Rickettsia
Answer is A. Granuloma inguinale (also known as donovanosis) is a bacterial disease caused by Klebsiella granulomatis (formerly known as Calymmatobacterium granulomatis) characterized by ulcerative genital lesions.