منابع مشابه
History of sleeping sickness in East Africa.
The history of human sleeping sickness in East Africa is characterized by the appearance of disease epidemics interspersed by long periods of endemicity. Despite the presence of the tsetse fly in large areas of East Africa, these epidemics tend to occur multiply in specific regions or foci rather than spreading over vast areas. Many theories have been proposed to explain this phenomenon, but re...
متن کاملPopulation genetics of Trypanosoma brucei gambiense, the agent of sleeping sickness in Western Africa.
Human African trypanosomiasis, or sleeping sickness caused by Trypanosoma brucei gambiense, occurs in Western and Central Africa. T. brucei s.l. displays a huge diversity of adaptations and host specificities, and questions about its reproductive mode, dispersal abilities, and effective size remain under debate. We have investigated genetic variation at 8 microsatellite loci of T. b. gambiense ...
متن کاملMapping sleeping sickness in Western Africa in a context of demographic transition and climate change.
Human population growth, climate change and economic development are causing major environmental modifications in Western Africa, which will have important repercussions on the epidemiology of sleeping sickness. A new initiative, the Atlas of human African trypanosomiasis (HAT), aims at assembling and geo-referencing all epidemiological data derived from both active screening activities and pas...
متن کاملThe Sleeping Sickness of Uganda
34 cases by the same method and found the Trypanosoma in 20 cases, or 70 per cent. An examination of 12 cases of other diseases including three of Trypanosoma fever in the same way gave negative results. The matter was then taken up by" Lieutenant-Colonel David Bruce, F.n.c.s., R A M C and Dr. David N. Nabarro, who had been deputed by the Royal Society to investigate sleeping sickness, and arri...
متن کاملSleeping Sickness Wakes Again
Sleeping sickness of horses was, as reeentiy as the IQSO's, the most devastating livestock disease in the United States. Horses died by the hundreds of thousands in the Midwestern United States, in California, and along the Atlantic seaboard at a period which coincided with the beginning of the sharp decline in the use of horses on the farm. Losses were so severe in some areas that the inevitab...
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ژورنال
عنوان ژورنال: BMJ
سال: 1875
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.731.5-a