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Trypanosomiasis
Trypanosomiasis or trypanosomosis is the name of several diseases in vertebrates caused by parasitic protozoan trypanosomes of the genus ''Trypanosoma''.
In humans this includes African trypanosomiasis and Chagas disease. A number of other diseases occur in other animals. Chagas disease
Approximately 30,000 people in 36 countries of sub-Saharan Africa have African trypanosomiasis, which is caused by either ''Trypanosoma brucei gambiense'' or ''Trypanosoma brucei rhodesiense''.[Chagas disease causes 21,000 deaths per year mainly in Latin America).
==Signs and symptoms==
The tsetse fly bite erupts into a red chancre sore and within a few weeks, the person can experience fever, swollen lymph glands, blood in urine, aching muscles and joints, headaches and irritability. In the first phase, the patient has only intermittent bouts of fever with lymphadenopathy together with other non-specific signs and symptoms. The second stage of the disease is marked by involvement of the central nervous system with extensive neurological effects like changes in personality, alteration of the biological clock (the circadian rhythm), confusion, slurred speech, seizures and difficulty in walking and talking. These problems can develop over many years and if not treated, the person dies. It is common to the African continent.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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