Efficacy of permethrin‐impregnated curtains for malaria vector control

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Abstract
Preliminary results obtained by the use of permethrin‐impregnated curtains against the Afrotropical malaria vectors Anopheles gambiae Giles s.l. and An.funestus Giles are reported and discussed. Field trials were carried out in villages near Ouagadougou, Burkina Faso. Houses were provided with curtains made from 100% cotton netting, impregnated with permethrin at the dose of lg a.i./m2, to cover the doorway, the window(s) and the space under the eaves. Entomological data collected during the period 1985‐86 showed residual permethrin activity for about a year, and almost complete prevention of indoor‐resting mosquitoes. Increased exit‐rate and mortality‐rate of house‐entering malaria vectors were also obtained. Utilization of this malaria vector control method in primary health care programmes is advocated.