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  1. 1
    Peer Reviewed

    DDT for malaria control: the issue of trade.

    Lancet. 2007 Jan; 369(9558):248.

    In September, 2006, WHO recommended wider use of indoor spraying with dichlorodiphenyltrichloro ethane (DDT)--once banned because of its toxic effects on the environment--and other insecticides to control malaria. Since then, a number of African countries have made their old foe DDT their new friend. Malawi is the latest, announcing last week that it would be introducing indoor residual spraying with DDT in its fight against malaria. WHO cited many reasons for making DDT a main intervention in malaria control, alongside insecticide-treated bednets. DDT has the potential to substantially reduce malaria transmission. The chemical is better than other insecticides, as it lasts longer, thereby reducing the number of times that houses need to be sprayed, is cheaper, and can repel mosquitoes from indoor environments, as well as kill those that land on sprayed surfaces. But DDT is far from problem-free. WHO, and countries that decide to adopt indoor residual spraying with the insecticide, need to monitor any negative effects of the chemical on health. They also need to ensure that DDT does not contaminate crops. (excerpt)
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  2. 2
    Peer Reviewed

    World is ill-prepared for "inevitable" flu pandemic.

    Bulletin of the World Health Organization. 2004 Apr; 82(4):317.

    The recent avian influenza outbreaks in Asia serve as stark reminders that another influenza pandemic is inevitable and possibly imminent, said WHO Director- General, Dr LEE Jong-wook, during a conference on influenza preparedness hosted by WHO on 16-18 March 2004. "We know another pandemic is "inevitable," said LEE. "It is coming. And when this happens, we also know that we are likely to have enough drugs, vaccines, health-care workers and hospital capacity to cope in an ideal way." Poultry culling and other measures may have reduced the likelihood of a human pandemic influenza strain emerging soon from Asia as a consequence of avian flu. However, experts believe that because these outbreaks come in cycles, a human influenza pandemic must be expected at some time in the future. (excerpt)
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