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Control of malaria vectors: cost analysis in a province of northern Vietnam

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Abstract:

Summary

The cost of permethrin-treated bednets (50% EC; 0.2 g/m2, 2 rounds per year) was compared to the cost of residual spraying with lambdacyhalothrin 10% WP (0.03 g/m2, once yearly) in Hoa Binh, a mountainous province in northern Vietnam. Calculations of the amounts of insecticides needed were based on national guidelines, on data from a cross-sectional survey and on district activity reports. The actual cost of insecticide required per person per year was lower for impregnation (US$ 0.26) than for spraying (US$ 0.36), but the difference was smaller than expected. The total cost for impregnated bednets per person per year amounted to US$ 0.90 compared to US$ 0.47 for spraying. The determining factor was the cost of the net, amounting to US$ 0.58 per person per year, assuming a 5-year life of the net. Other material (excluding nets), labour and transport combined, accounted for only 17% of the impregnation cost and 23% of spraying expenses. However, for the National Malaria Control Programme of Vietnam, the cost per person per year for impregnated bednets amounted to US$ 0.32 only, because the vast majority of nets are bought by the population. For spraying, the programme had to bear the entire cost.

Keywords: Vietnam; cost analysis; insecticide-treated bednets; malaria; vector control

Document Type: Original Article

DOI: https://doi.org/10.1046/j.1365-3156.1999.00365.x

Affiliations: 1:  Institute for Malariology, Parasitology and Entomology, Hanoi, Vietnam 2:  Institute for Tropical Medicine Prince Leopold, Antwerp, Belgium

Publication date: 1999-02-01

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