Long-lasting, insecticide-impregnated bed nets (LNs) and indoor residual sprays (IRS) form the mainstay of malaria vector control interventions, reducing the number of cases and deaths across Africa and other disease endemic countries.  In recent years, large numbers of LNs were distributed to meet universal coverage targets, and IRS programs have treated many millions of homes each year. A few classes of chemistry with different modes of action are available for IRS, while all currently available LNs are based on pyrethroids. This heavy reliance on a few classes of chemistry is at least partly responsible for the insecticide resistance that is now being detected in mosquito populations in many parts of the world. The spread of resistance is threatening the effectiveness of vector control. Innovative tools and new chemistry will be required if we are to sustain recent gains against malaria. The development of such innovative tools is discussed.

Bed nets and insecticide resistance: The way forward

244th National Meeting (2012)

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