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Med Vet Entomol. 1987 Jan;1(1):37-51.

Experimental hut trials of permethrin-impregnated mosquito nets and eave curtains against malaria vectors in Tanzania.

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London School of Hygiene and Tropical Medicine.


Permethrin impregnated netting was tested against Tanzanian populations of Anopheles arabiensis Patton, An.gambiae Giles and An.funestus Giles in experimental huts fitted with traps to catch samples of the mosquitoes existing during the night. Treated bednets killed some mosquitoes and increased the tendency of survivors to exit during the night. Treated cotton did not perform so well as treated nylon bednets. An impregnated bednet in which holes had been cut, to simulate a torn net, reduced the number of mosquitoes which fed and survived approximately as well as an intact untreated net. Treated curtains around the eaves of experimental huts did not perform so well as bednets but caused considerable reductions in the number of mosquitoes which fed and survived. However, there was no such effect when treated netting was placed around the eaves of a dwelling house. When one child slept under a treated net and another slept outside the net in the same hut, the number of bites on the latter child was less than if neither child had been under a net. Various aspects of the applicability of permethrin impregnated nets on a community basis are discussed.

[Indexed for MEDLINE]

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