Abstract
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.
Highlights
This paper discusses the use of spatial analysis techniques in the epidemiological surveillance of American visceral leishmaniasis (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
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
Summary
Resumo O controle da Leishmaniose Visceral Americana (LVA) está fundamentado no combate ao vetor e na eliminação do reservatório doméstico da área de foco – 200 metros em torno do caso humano ou canino. O presente trabalho tem como objetivo discutir a utilização de técnicas de análise espacial na vigilância epidemiológica da LVA no Município de Araçatuba, buscando estabelecer mecanismos de vigilância de base territorial, de forma a propor recomendações que possam direcionar as medidas de vigilância e controle adotadas.
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