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hatrack

(59,436 posts)
Fri Jun 6, 2014, 06:30 PM Jun 2014

Malaria Strain Resistant To Last Drug Now 80% Of Cases On Thai/Burmese Border - Guardian

EDIT

She is among the thousands who have been infected with an insidiously evolving drug-resistant parasite that may account for 80% of the malaria on this section of the Thai-Burma border. The mosquito-borne illness is becoming resistant to the last anti-malaria drug standing – artemisinin – largely because of counterfeit medicines and incorrect usage.

A leading researcher at the Shoklo Malaria Research Unit (SMRU), a research centre based on the border and funded primarily by the Wellcome Trust, is taking radical measures to stop the spread of the new strain before it becomes uncontrollable. Dr François Nosten, SMRU's director, has studied malaria in this border region, near where the disease first became drug resistant, for three decades. He believes that in order to stop it spreading to India, then Africa, where the vast majority of the world's malaria cases occur, it's essential to chase the parasite into Burma's forests and pre-emptively treat even people who may not be ill.

"If we don't do anything, we think that we know what's going to happen," said Nosten, explaining that as malaria rates decline, the strongest and most resistant strains of the parasite survive and spread. "It has always happened like this in the past, there's no reason to think this time will be any different." The level of alarm Nosten and other scientists express over drug-resistant malaria contrasts with how it manifests in people, in these early stages. It acts just the same as any malaria, but is more difficult to cure. The number of cases creeps up slowly, spreads, then explodes.

"The thing about resistance to anything – drugs, antibacterials – is that it rises exponentially," said Nick White, a professor with the Oxford Tropical Medicine Research Programme who works with Nosten on this issue. "There's a long period where it doesn't appear to be rising – and then it's rising."

EDIT

http://www.theguardian.com/society/2014/jun/05/new-wave-drug-resistant-malaria-burma

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