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Epidemiology of Mansonella perstans filariasis in the forest region of South Congo

1990; Maney Publishing; Volume: 84; Issue: 3 Linguagem: Inglês

10.1080/00034983.1990.11812464

1364-8594

François Noireau, A. Itoua, Bernard Carme,

Parasites and Host Interactions

A study of Mansonella perstans filariasis conducted in the Chaillu mountains, Southern Congo, showed that 108 of 134 Pygmies (80·6%) and 79 of 302 Bantus (26·2%) presented with microfilaraemia. The mean microfilarial densities were also significantly higher in the Pygmies (1213 ml−1 of blood) than in the Bantus (136 ml−1). Ninety eight per cent of the Culicoides taken which had bitten man in the daytime were C. grahamii, and 0·8% of these were infected with filarial larvae. Two other species of Culicoides (C. kumbaensis and C. rutshuruensis) might also play a role in the transmission of M. perstans.