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Super-resistant mosquitoes in Asia pose growing threat: study

Super-resistant mosquitoes in Asia pose growing threat: study

1 Oct 18:09 Key points summarised by AI
  • Mosquitoes transmitting dengue and other viruses in parts of Asia have evolved extreme resistance to common pyrethroid-based insecticides, rendering current control methods largely ineffective.
  • Research led by Japanese scientist Shinji Kasai identified *Aedes aegypti* mosquitoes in Cambodia and Vietnam with up to 1,000-fold resistance, meaning insecticide doses that typically kill nearly all mosquitoes now kill only a small fraction.
  • This escalating resistance poses a significant global threat, as these 'super-mosquitoes' carry diseases like dengue, zika, and yellow fever, and could spread beyond Asia.
  • Experts urgently call for novel solutions, including new insecticide formulas, rotating chemicals with different target sites, enhanced breeding site removal, and alternative control strategies like vaccines, to combat this critical public health challenge.
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