Evaluation of the effectiveness of using deltamethrin-impregnated collars to control visceral leishmaniasis in the municipality of Votuporanga, State of São Paulo, Brazil, 2014 – 2016
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Keywords

collars
visceral leishmaniasis (VL)
dogs
spatial analysis

How to Cite

1.
Tolezano JE, Matsumoto PSS, Taniguchi HH, Bertollo DMB, Pierre MK, Barbosa JE de R, Guerra JM, Fernandes NCC de A, Figueiredo EM de, Esteves Junior Élcio S, Fernandes SDP, Malta RCG, Guimarães RB, Hiramoto RM. Evaluation of the effectiveness of using deltamethrin-impregnated collars to control visceral leishmaniasis in the municipality of Votuporanga, State of São Paulo, Brazil, 2014 – 2016. Rev Inst Adolfo Lutz [Internet]. 2018 Mar. 29 [cited 2024 May 12];77:1-10. Available from: https://periodicos.saude.sp.gov.br/RIAL/article/view/34209

Abstract

This paper aims to present the main results of the Health Technology Innovation Project carried out between 2014 and 2015, which evaluates the use of 4% deltamethrin-impregnated collars in dogs, in an endemic region for visceral leishmaniasis (VL), the municipality of Votuporanga, São Paulo, Brazil. Before this project, Votuporanga had notified canine and human cases of the disease, with a high case fatality rate. We monitored approximately 16.5 thousand dogs, 25,700 blood samples analyzed, considering losses and entrances of new animals during the four serological surveys. After the project, the prevalence and incidence of canine VL decreased as well as the number of human cases. We found a positive correlation between the decrease of infected dogs and human cases from 2011 to 2016 (Pearson correlation of 0.914, p-value <0.05). Furthermore, the spatial analysis of the results indicated areas with canine cases concentration that decreased its intensity or disappeared concomitantly to the project levels in the space-time. Despite the drastic reduction in the incidence of canine VL, some critical areas remain. The current results suggest the review of protocols and manuals demonstrating the effectiveness of the use of collars as a preventive measure and potential in the control of VL.

https://doi.org/10.53393/rial.2018.v77.34209
PDF (Português (Brasil))

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Copyright (c) 2018 José Eduardo Tolezano, Patrícia Sayuri Silvestre Matsumoto, Helena Hilomi Taniguchi, Denise Maria Bussoni Bertollo, Marcella Kelvya Pierre, José Eduardo de Raeffray Barbosa, Juliana Mariotti Guerra, Natália Coelho Couto de AzevedoS Fernandes, Ernesto Machado de Figueiredo, Élcio Sanchez Esteves Junior, Samara Del Pino Fernandes, Roberto Carlos Grassi Malta, Raul Borges Guimarães, Roberto Mitsuyoshi Hiramoto

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