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Physical and human bases of the spatial distribution of Culexquinquefasciatus vector of lymphatic filariasis in the health district Ouidah-Kpomasè-Tori Bossito

Sahabi Bio-Bangana, Armand Vodounou, Sandrine Nontonhouanou, Luc Djogbénou

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Int. J. Biosci.16(2), 183-191, February 2020

DOI: http://dx.doi.org/10.12692/ijb/16.2.183-191


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The environment is a major determinant of the biodiversity of Lymphatic filariasis because of the bioecological preferences of its vector (Culexquinquefasciatus). In this context, control of the disease can benefit greatly from knowledge of the spatial distribution of vectors. It is in this cedar that is part of the present study which aims to describe spatial distribution of Culexquinquefasciatus vector of lymphatic filariasis in the health area Ouidah-Kpomasè-Tori Bossito. The scientific approach is based on the collection, evaluation and processing of climatological data (temperature, precipitation, number of rainy days, relative humidity, wind, visibility and vapor pressure), data geographical (hydrography, relief, localities), biotic data (human presence and vegetation) and entomological data (nocturnal catches of mosquitoes on human bait and larval surveys). The results of this study show that the distribution of Cx. quinquefasciatus is characterized by concentration in the northwestern and southwestern area of Ouidah-Kpomassè-Tori Bossito health district and is non-random. Environmental factors explain this distribution and are mainly related to the frequency of alcohol production and the distance from localities to freshwater streams. But they contribute in a differential way.


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