African trypanosomiasis causes: Difference between revisions
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==Overview== | ==Overview== | ||
African trypanosomiasis is a human tropical [[parasitic]] [[disease]] usually caused by [[protozoan]] hemo-flagellates belonging to the complex ''[[Trypanosoma brucei]]''. Two [[subspecies]] that are [[Morphology (biology)|morphologically]] indistinguishable cause distinct [[disease]] patterns in humans: [[Trypanosoma brucei gambiense|''Trypanosoma brucei gambiense'']] causes [[African trypanosomiasis|West African sleeping sickness]] and [[Trypanosoma brucei rhodesiense|''Trypanosoma brucei rhodesiense'']] causes [[East African sleeping sickness]]. | |||
==Causes== | ==Causes== | ||
[[Protozoan]] hemo-flagellates belonging to the complex ''[[Trypanosoma brucei]]''. | [[Protozoan]] hemo-flagellates belonging to the complex ''[[Trypanosoma brucei]]'' cause African trypanosomiasis. Two [[subspecies]] that are [[Morphology (biology)|morphologically]] indistinguishable cause distinct [[disease]] patterns in humans: [[Trypanosoma brucei gambiense|''Trypanosoma brucei'' ''gambiense'']] causes [[Sleeping sickness (West African)|West African sleeping sickness]] and [[Trypanosoma brucei rhodesiense|''Trypanosoma brucei'' ''rhodesiense'']] causes [[East African sleeping sickness]]. | ||
===East African Trypanosomiasis=== | ===East African Trypanosomiasis=== | ||
The [[disease]] is caused by a parasite named ''[[Trypanosoma brucei rhodesiense]]'' (tri-PAN-o-SO-ma BREW-see-eye rho-DEE-see-ense), carried by the [[tsetse fly]]. An individual will get [[African trypanosomiasis|East African trypanosomiasis]] if they are bitten by a [[tsetse fly]] infected with the ''[[Trypanosoma brucei rhodesiense]]'' [[parasite]]. The [[tsetse fly]] is common only | The [[disease]] is caused by a parasite named ''[[Trypanosoma brucei rhodesiense]]'' (tri-PAN-o-SO-ma BREW-see-eye rho-DEE-see-ense), carried by the [[tsetse fly]]. An individual will get [[African trypanosomiasis|East African trypanosomiasis]] if they are bitten by a [[tsetse fly]] infected with the ''[[Trypanosoma brucei rhodesiense]]'' [[parasite]]. The [[tsetse fly]] is common only in Africa. | ||
===West African Trypanosomiasis=== | ===West African Trypanosomiasis=== | ||
Revision as of 19:34, 9 August 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Pilar Almonacid
Overview
African trypanosomiasis is a human tropical parasitic disease usually caused by protozoan hemo-flagellates belonging to the complex Trypanosoma brucei. Two subspecies that are morphologically indistinguishable cause distinct disease patterns in humans: Trypanosoma brucei gambiense causes West African sleeping sickness and Trypanosoma brucei rhodesiense causes East African sleeping sickness.
Causes
Protozoan hemo-flagellates belonging to the complex Trypanosoma brucei cause African trypanosomiasis. Two subspecies that are morphologically indistinguishable cause distinct disease patterns in humans: Trypanosoma brucei gambiense causes West African sleeping sickness and Trypanosoma brucei rhodesiense causes East African sleeping sickness.
East African Trypanosomiasis
The disease is caused by a parasite named Trypanosoma brucei rhodesiense (tri-PAN-o-SO-ma BREW-see-eye rho-DEE-see-ense), carried by the tsetse fly. An individual will get East African trypanosomiasis if they are bitten by a tsetse fly infected with the Trypanosoma brucei rhodesiense parasite. The tsetse fly is common only in Africa.
West African Trypanosomiasis
West African trypanosomiasis, also called Gambian sleeping sickness, is caused by a parasite called Trypanosoma brucei gambiense (tri-PAN-o-SO-ma BREW-see-eye GAM-be-ense) carried by the tsetse fly. An individual gets West African trypanosomiasis through the bite of an infected tsetse fly, found only in Africa. On rare occasions, a pregnant woman may pass the infection to her baby, or an individual may become infected through a blood transfusion or organ transplant.[1]