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Análise Espacial da Distribuição de Aedes Aegypti (Diptera: Culicidade) em Diferentes Áreas da Cidade do Rio de Janeiro

Izabel C. ReisNildimar A. HonórioCláudia T. CodeçoChristovam BarcellosMônica A. F. M. Magalhães

This work aimed at assessing the spatial distribution of the dengue fever mosquito vector, Aedes aegypti and its association with Strategic Sites (SS). In each of three localities of Rio de Janeiro city, 80 traps were installed (40 for adult mosquitos and 40 for immatures) in randomly chosen households. Moreover, two further traps we installed close to each SS. These traps were localized with GPS and visited every week for 11 weeks, in the summer of 2007. Based on these data, mosquito infestation maps were created by applying Gaussian Kernels (ArcGis 9.0) to the weekly data. We also used non-parametric methods to test the hypothesis that traps located closer to the SSs would catch more mosquitos than distant ones. Our results suggest that unusual sites, as those used for recycling and a boat factory, showed significant association with infestation hotspots. As a conclusion, our study point to the importance of not standard types of human activity as potential new categories to be included in the surveillance of SSs.

http://www.geoinfo.info/geoinfo2007/papers/S7P2.pdf

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