The effect of mass mosquito trapping on malaria transmission and disease burden (SolarMal): a stepped-wedge cluster-randomised trial

by Tobias Homan, Alexandra Hiscox, Collins K Mweresa et al.
The Lancet, Vol. 388, No. 10050, pp. 1193–1201, 17 September 2016

9 pp. 1.4 MB

Odour baits can attract host-seeking Anopheles mosquitoes indoors and outdoors. The authors assessed the effects of mass deployment of odour-baited traps on malaria transmission and disease burden. They installed solar-powered odour-baited mosquito trapping systems (SMoTS) to households on Rusinga Island, Lake Victoria, western Kenya (mean population 24 879), in a stepped-wedge cluster-randomised trial. They conclude that the unexpectedly low clinical incidence of malaria during roll-out led to an imprecise estimate of effectiveness from the clinical incidence data. The substantial effect on malaria prevalence is explained by reduction in densities of Anopheles funestus. Odour-baited traps might be an effective malaria intervention.

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