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Malaria Nets Fight On, But Resistance Looms
15 Jun
Summary
- Insecticide-treated nets significantly reduce malaria cases.
- Mosquitoes are developing resistance to insecticides.
- New net types and integrated strategies are needed.

Analysis of studies across 12 countries confirms insecticide-treated nets (ITNs) are effective in reducing malaria cases. In Asia, ITNs were linked to a 68% drop in cases, while Africa saw reductions between 29% and 40%.
Despite their proven success, researchers warn that mosquito resistance to insecticides poses a significant long-term threat. This adaptation, coupled with local factors like mosquito diversity and compliance, can lead to varied effectiveness.
Continuous monitoring and tailored strategies are essential. Next-generation ITNs, like those with dual active ingredients, and integrated vector management, including indoor spraying, may be required to overcome insecticide resistance and advance global malaria elimination efforts.