This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'Tse-tse fly transmits - \nSelect and explain. \nA. Trypansoma brucei, B. T.cruzi, C. Kala-azar, D. Oriental sore', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Trypanosoma brucei Trvpanosoma brucei . It is the causative organism of sleeping sickness. . T. brucei gambiense West African sleeping sickness . T. brucei rhodesiense East African sleeping sickness . Definitive host Man Intermediate host --> Tsetse fly . Infective form to men --> Metacyclic form (metacyclic trypomastigote) . Habitat - Reticuloendothelial tissue of lymphnode and spleen. - Blood - Connective tissue spaces of various organs. - C.S.F. - Intercellular spaces in the brain.", 'role': 'assistant'}]