No outdoor insecticide spraying is needed to make dramatic progress against childhood malaria. Indoor residual spraying (IRS) also is not needed to achieve the 44% protection rate mentioned in our headline (although IRS could be added to boost effectiveness). There is a caveat: the study we are referring to, by the Malaria Control Department of the Kenyan Ministry of Health, demonstrates that one of the most effective resources to protect against malaria, pesticide treated bed nets, have to be "free" or the highest level of effectiveness won't be reached. Reinforcing the long standing, rational position of environmentalists, the Kenyan work demonstrates that m...
Source: TreeHugger