<prompt> Causative agent of donovanosis is:-Klebsiella GranulomatisT. pallidumChlamydia trachomatisL. donovani  <response>: Donovanosis Granuloma Inguinale And Granuloma Venereum Donovanosis is a chronic, progressively destructive bacterial infection of the genital region caused by caused by Klebsiella granulomatis. It is an intracellular, gram-negative, pleomorphic, encapsulated when mature bacteria. T. pallidum causes Syphilis. Chlamydia trachomatis causes LGV. L. donovani causes Kala Azar Note Nucleic acid amplification test NAAT is the gold standard test for diagnosis of Chlamydia 