Trypanosome, any member of a group of protozoa (single-celled animals) that are blood parasites. They are the cause of diseases,rift gold such as African sleeping sickness (see Trypanosomiasis) and Chagas’ disease, in human beings and other animals.
The sleeping sickness trypanosome is transmitted from one human being to another via the tsetse fly, a blood-sucking fly found only in Africa. The trypanosome starts as a parasite in the blood, but in the later stages of the infection can invade the central nervous system, causing an inflammation of the brain and spinal cord that is responsible for the characteristic neurological symptom of sleeping. The trypanosome is never transmitted directly from one person to another. Because of this, the spread of the disease is prevented by destroying the tsetse fly. The introduction of powerful pesticides such as DDT has resulted in the elimination of sleeping sickness from many parts rift gold of Africa.
Scientific classification: The trypanosome that causes African sleeping sickness is classified as Trypanosoma gambiense.
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