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Memórias do Instituto Oswaldo Cruz

Print version ISSN 0074-0276On-line version ISSN 1678-8060

Mem. Inst. Oswaldo Cruz vol.84  suppl.4 Rio de Janeiro  1989 

Cost-effectiveness analysis in Chagas' disease vectors control interventions

A. M. Oliveira Filho1 

Universidade Federal do Rio de Janeiro, Núclo de Pesquisas de Produtos Naturais, Rio de Janeiro, Brasil


After a large scale field trial performed in central Brazil envisaging the control of Chagas' disease vectors in an endemic area colonized by Triatoma infestans and T. sordida the cost-effectiveness analysis for each insecticide/formulation was performed. It considered the operational costs and the prices of insecticides and formulations, related to the activity and persistence of each one. The end point was considered to be less than 90% of domicilliary unitis (house + annexes) free of infestation. The results showed good cost-effectiveness for a slow-release emulsifiable suspension (SRES) based on PVA and containing malathion as active ingredient, as well as for the pyrethroids tested in this assay-cyfluthrin, cypermethrin, deltamethrin and permethrin.

Key words: cost-effectiveness; vectors control; Chagas' disease; insectcides; slow-release formulations


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