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Thursday, August 18, 2011

UK : Mosquitoes 'developing resistance to bed nets'

Via BBC News, excerpt :

" Mosquitoes can rapidly develop resistance to bed nets treated with insecticide, a study from Senegal says.

In recent years the nets have become a leading method of preventing malaria, especially in Africa.

In the Lancet Infectious Diseases, the researchers also suggest the nets reduced the immunity of older children and adults to malaria infection.

But other experts say the study was too small to draw conclusions about the long-term effectiveness of nets.

In the war against malaria, the cheapest and most effective weapon to date has been the long-lasting insecticide-treated bed net.

Over the last few years the nets have been widely distributed in Africa and elsewhere - the World Health Organization says that when properly deployed they can cut malaria rates by half."

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