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STUDIES ON THE INFLUENCE OF THE PRESENCE OF DOMESTIC ANIMALS ON INCREASING THE TRANSMISSION PROBALITIES OF LEISHMANIASIS
Domestic animals
Leishmania
Sandflies
Transmission probabilities
Vector
Autor
Afiliación
Resumen en ingles
In the endemic regions of leishmaniasis in tropical countries, a great majority of poor residentes of rural áreas, keep a variety of domestic animals for socioeconomic and other reasons. The vector sandflies feed several times on diferente animals. It was found that feeding on certain healthy domestic animals may potentially increase the transmission powers of parasite Leishmania carrying vectors. The conclusion is based on the observation that in áreas where these animals were kept, sandflies were more numerous, and carried a larger parasite load. The occurrence of such a phenomenon provides a selective advantage to the transmission of Leishmania among vertebrates. These results may enable the health authorities to adopt policies concerning the presence of domestic animals in endemic áreas which result in significant reduction in the numbers of Leishmania cases in the human beings in these áreas.
Palabras clave en ingles
Blood-feedingDomestic animals
Leishmania
Sandflies
Transmission probabilities
Vector
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