Bed Nets 2.0

An innovative chemical added to long-lasting insecticide nets successfully reduced mosquitos’ ability to build resistance to standard pyrethroid pesticides—a “game changer” that nearly halved children’s malaria infection rates in Tanzania, said project PI Mark Rowland.

A new study from the London School of Hygiene and Tropical Medicine, published in The Lancet, tested the addition of piperonyl butoxide to LLINs and found infection rates were considerably lower. The study also determined that one-time indoor residual spraying with insecticide pirimiphos methyl reduced infection rates by 48% for an entire year.

LLINs are still standard for malaria control in endemic areas and experts urge continued use of pyrethroid-only products until PBO is more widely distributed.

The London School of Hygiene & Tropical Medicine

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