Describe three methods for controlling malaria in developing countries.

1.Screening: Screening of Dwellings to Prevent Malaria Mosquitoes from Entering and Biting the People Inside is a positive development measure. Screening of buildings also improves people's lives in other ways, i.e. by keeping flies out of homes. Where it's possible [i.e. buildings have four walls] to put screens on windows and screen doors on doors, it should be encouraged. Screening is a useful adjunct to use of a treated bednet or residual treatment of walls because it reduces the number of malaria mosquitoes entering and leaving the building.
2.Protective bed nets treated with long-lasting insecticides prevents bites from malaria-infected mosquitoes and kill them. Nets should be available for free or at low prices thanks to high subsidies. There should be one net per two people at risk. Priority should be given to pregnant women and children under five years of age, who are most vulnerable.
3.Larval Control: Interventions targeting the larval stages of the mosquito are used in developing countries. While these interventions can be popular, the evidence for their effectiveness is generally weak and there is a critical need for more rigorous evaluation of the ecological settings in which they might have an impact on reducing malaria transmission.

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