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Insecticide-treated bed nets in rural Bangladesh: their potential role in the visceral leishmaniasis elimination programme

Mondal, Dinesh, Chowdury, Rajib, Huda, M Mamun, Maheswary, Narayan P, Akther, Shireen, Petzold, Max, Kumar, Vijay, Das, Murari L, Gurung, Chitra K, Ghosh, Debashis and Kroeger, Axel (2010) 'Insecticide-treated bed nets in rural Bangladesh: their potential role in the visceral leishmaniasis elimination programme'. Tropical Medicine & International Health, Vol 15, Issue 11, pp. 1382-1389.

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Objective To analyse the feasibility, acceptability and effectiveness of insecticide-treated bed nets with slow-release insecticides (KO Tab 123) as an option for kala-azar vector management in Bangladesh.

Methods Intervention study involving an insecticide dipping programme through village health workers supervised by public health officers covering 6967 households in Mymensingh and 8287 in Rajshahi district. In a subsample of households, sandfly densities at baseline, 1, 12 and 18 months were measured with CDC light traps both in intervention and control areas. Bioassays were performed for determining the bioavailability of the insecticide and tests of chemical residues in the treated bed nets were undertaken. Satisfaction surveys and direct observation of use of treated bed net use were conducted.

Results The dipping programme was feasible with the help of communities and public health staff, was well accepted, reached a coverage of 98.2% and 96.2% in the two study sites within 4 weeks and was effective in terms of a significant reduction in sandfly densities (approximately 60%) for a period of 18 months. Bioassay results were satisfactory (>80% sandfly mortality) and the average chemical content of the treated bed nets was sufficient for killing sand flies at the end of the observation period.

Conclusion Bed nets treated with slow-release insecticides can be an important complementary measure for sandfly control in the visceral leishmaniasis elimination programme

Item Type: Article
Uncontrolled Keywords: visceral leishmaniasis; slow-release insecticides; dipping; bed net; sandfly; bioassay; chemical analysis; Bangladesh leishmaniose viscérale; insecticides à libération lente; immersion; moustiquaire; phlébotomes; essais biologiques; analyse chimique; Bangladesh leishmaniasis visceral; insecticidas de liberación lenta; impregnación; mosquitera; mosca de arena; bioensayo; análisis químico; Bangladesh
Subjects: QX Parasitology > Insects. Other Parasites > QX 505 Diptera
QX Parasitology > Insects. Other Parasites > QX 600 Insect control. Tick control
QX Parasitology > Protozoa > QX 70 Mastigophora. (e.g., Giardia. Trichomonas. Trypanosoma. Leishmania)
WC Communicable Diseases > Tropical and Parasitic Diseases > WC 715 Visceral leishmaniasis
Faculty: Department: Groups (2002 - 2012) > International Health Group
Digital Object Identifer (DOI):
Depositing User: Rachel Dominguez
Date Deposited: 11 Mar 2013 11:27
Last Modified: 06 Feb 2018 13:06


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