Donovan bodies are seen in
Klebsiella (formerly Calymmatobacterium) granulomatis, the causative agent of this hard, granulomatous, proliferating lesionHistologic demonstration of intracellular "Donovan bodies" in biopsy material most frequently suppos the clinical impression. Jawetz 27e pg: 761
Leishmania donovani
Klebsiella granulomatis
Legionella pnemophilia
Morexella catarrhalis
parasitology