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vol.17 número5Spatial risk distribution: modeling infant mortality in Porto Alegre, Rio Grande do Sul State, Brazil índice de autoresíndice de materiabúsqueda de artículos
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Cadernos de Saúde Pública

versión impresa ISSN 0102-311Xversión On-line ISSN 1678-4464


CAMARGO-NEVES, Vera Lucia Fonseca de et al. Use of spatial analysis tools in the epidemiological surveillance of American visceral leishmaniasis, Araçatuba, São Paulo, Brazil, 1998-1999. Cad. Saúde Pública [online]. 2001, vol.17, n.5, pp.1263-1267. ISSN 0102-311X.

The control of American visceral leishmaniasis (AVL) is based on combating the vector and eliminating the domestic reservoir of the focus area - defined as 200 meters around human or canine cases. This paper discusses the use of spatial analysis techniques in the epidemiological surveillance of AVL in Araçatuba, São Paulo State, in order to propose a model for territorial epidemiological surveillance, reformulating current control strategies. The results showed that AVL transmission was not homogeneous; human cases were more frequent in areas with higher canine prevalence rates. Vector dispersion appeared to be restricted to a few houses, although it was not possible to model the vector density. In order to study the vector distribution and correlated covariates, a field study based on house sampling is being conducted. The results will aid the development of new spatial analysis tools and possibly redefine protocols and routines for the control of this endemic disease in urban areas.

Palabras clave : Spatial Analysis; Geographic Information System; Visceral Leishmaniasis; Lutzomyia longipalpis.

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