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


- The reticuloendothelial tissue of lymph node and spleen. - Blood
- Connective tissue spaces of various organs. - C.S.F.
- Intercellular spaces in the brain.