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1. An often fatal, endemic infectious disease occurring in sub-Saharan Africa, caused by either of two trypanosomes (Trypanosoma brucei subsp. gambiense or T. brucei subsp. rhodesiense) transmitted by tsetse flies and characterized by fever, severe headache, and lymph node swelling in the early stages, followed by extreme weakness, sleepiness, and deep coma. Also called African sleeping sickness, African trypanosomiasis.
2. See encephalitis lethargica.
1. (Pathology) Also called: African sleeping sickness an African disease caused by infection with protozoans of the genus Trypanosoma, characterized by fever, wasting, and sluggishness
2. (Pathology) Also called (esp formerly): sleepy sickness an epidemic viral form of encephalitis characterized by extreme drowsiness. Technical name: encephalitis lethargica
1. Also called trypanosomiasis. an infectious, usu. fatal disease of Africa, characterized by wasting and progressive lethargy, and caused by a trypanosome carried by the tsetse fly.
2. a viral disease affecting the brain, characterized by apathy, sleepiness, extreme muscular weakness, and impairment of vision.
An often fatal disease of humans and animals in tropical Africa, causing fever and extreme sluggishness. It is caused by infection with protozoans that are spread by the bite of the tsetse fly.
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|Noun||1.||sleeping sickness - an encephalitis that was epidemic between 1915 and 1926; symptoms include paralysis of the extrinsic eye muscle and extreme muscular weakness|