• Mosquitoes' Resistance to Insecticide Prompt Worries about Malaria Relapse

    Mosquitoes quickly develop resistance to insecticide-treated nets, raising alarm that the method of malaria prevention is not effective, a study from Senegal found. Researchers who studied malaria infections there found that Anopheles gambiae mosquitoes, the species responsible for malaria in Africa, are growing resistant to a common type of insecticide.
  • Patients lie under mosquito bed nets

    Mosquitoes' Built Up Resistance to Bednets Stirs Malaria Worries

    Despite decades of efforts to beat it with insecticides, indoor spraying, bed nets and combination drugs, malaria still kills nearly 800,000 people each year, most of them babies and young children in sub-Saharan Africa.