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Factors Affecting Filarial Transmission by Simuliids

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Advances in Disease Vector Research

Part of the book series: Advances in Disease Vector Research ((VECTOR,volume 10))

Abstract

Of the nine filariae commonly transmitted by simuliids one, Onchocerca volvulus, is preeminent because of its pathogenic effects to man. Currently 17 million people are infected by this parasite; many have irreversible skin lesions and more than 300,000 are blind (44). The literature built up around both the parasite and vector responsible for transmission of river blindness is thus considerably larger than that associated with the other simuliid-transmitted filariae that are either nonpathogenic to man or affect only animals. Consequently, this review has been structured around O. volvulus with references to other filarial species where data are available. Recent advances have been made in various areas including vector-parasite relationships, particularly in the foci of Latin America and with reference to vector cytospecies and parasite strains in Africa, as well as the immunity of simuliids to filaria infections. Underpinning this work is the precise identification of vector and filaria species and considerable effort has been made to achieve this using both traditional morphological and more recent biochemical techniques. The review has been structured to provide the reader with an introduction to the literature on basic facts about the parasites and their simuliid vectors, followed by the natural sequence of parasite transmission and the factors that affect it.

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  1. Department of Entomology, The Natural History Museum, Cromwell Road, London, SW7 5BD, UK

    Anthony J. Shelley

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  1. Virus-Vector Research Laboratory, Department of Entomology, Texas A&M University College Station, Texas, 77843, USA

    Kerry F. Harris

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Shelley, A.J. (1994). Factors Affecting Filarial Transmission by Simuliids. In: Harris, K.F. (eds) Advances in Disease Vector Research. Advances in Disease Vector Research, vol 10. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-2590-4_7

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