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
Tse-tse fly transmits - 
Select and explain. 
A. Trypansoma brucei, B. T.cruzi, C. Kala-azar, D. Oriental sore
A: Trypansoma brucei
Answer: A: Trypansoma brucei 
Explanation: 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.