This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology, Subject name: Microbiology
[{'content': 'The following are true of kala azar except. \nSelect and explain. \nA. Persistent hypergammaglobulinemia, B. Pancytopenia, C. Cancrum oris can occur, D. Full treatment prevents PKDL', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Full treatment prevents PKDLPKDL is a cutaneous form of leishmaniasis that occurs in about 2-10% kala azar patients generally one or two years after completion of antimonial treatment. When the visceral infection disappears but the skin infections persists.", 'role': 'assistant'}]