Epidemiology and control of echinococcosis in sub-Saharan Africa

Cystic echinococcosis (CE) is highly endemic among the nomadic pastoral tribes of East Africa, but is rare amongst the agriculturally based communities. Echinococcus granulosus infections are common in dogs from all countries in sub-Saharan Africa where they have been examined. Transmission of E. gr...

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Veröffentlicht in:Parasitology international 2006-01, Vol.55, p.S193-S195
Hauptverfasser: Magambo, Japhet, Njoroge, Ernest, Zeyhle, Eberhard
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Njoroge, Ernest
Zeyhle, Eberhard
description Cystic echinococcosis (CE) is highly endemic among the nomadic pastoral tribes of East Africa, but is rare amongst the agriculturally based communities. Echinococcus granulosus infections are common in dogs from all countries in sub-Saharan Africa where they have been examined. Transmission of E. granulosus to humans is affected by such factors as prevalence of the parasite in domestic dogs, behaviors of humans towards dogs, and heterogenicity of the parasite and susceptibility of humans to infection. Sheep and goats appear to be the most common domestic intermediate hosts, but recent studies suggest that camels are equally important intermediate host, especially in Sudan and Turkana. At least five of ten E. granulosus genotypes are infective to humans in sub-Saharan African. Most human cases of CE are caused by the sheep strain (GI) and camel strain (G6) of E. granulosus. Other strains occurring in the area may include a lion strain, the horse strain (G4 or Echinococcus equinus) and the cattle strain (G5 or Echinococcus ortleppi).
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subjects Africa South of the Sahara - epidemiology
Animals
Animals, Domestic - parasitology
Animals, Wild - parasitology
Cattle
Cystic echinococcosis (CE)
Echinococcosis - epidemiology
Echinococcosis - parasitology
Echinococcosis - prevention & control
Echinococcosis - veterinary
Echinococcus - classification
Echinococcus granulosus
Humans
Hydatidosis
Ultrasound (US)
title Epidemiology and control of echinococcosis in sub-Saharan Africa
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