Echinococcus granulosus infection in foxes in Coquimbo District, Chile

Echinococcus granulosus es un cestodo de importancia zoonotica que afecta a una amplia gama de especies. El principal hospedero definitivo de este parasito es el perro domestico, sin embargo, en algunas areas del mundo se ha reportado la infeccion de carnivoros silvestres con este, estos potencialmente podrian tener un rol en la mantencion de la infeccion en dichas areas. Este estudio examina la presencia de E. granulosus en carnivoros silvestres en la Region de Coquimbo en Chile; para esto se obtuvieron muestras fecales de zorros chilla y culpeo capturados en seis sitios rurales de esta region entre 2005 y 2006. Mediante una prueba de ELISA coproantigeno se determino una coproprevalencia a E. granulosus en chillas de 7% (2/28), la que vario entre 0% a 20% en los diferentes sitios estudiados. Solo cinco culpeos fueron capturados y ninguno fue positivo. Se discuten las implicancias que la presencia de E. granulosus en carnivoros silvestres podria tener para la mantencion del parasito en el area estudiada

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