Using gnomic surveillance to track the spread of drug-resistant malaria, the scientists found that the strain, known as KEL1/PLA1, had also evolved and picked up new genetic mutations that may make it yet more resistant.

“We discovered (it) had spread aggressively, replacing local malaria parasites, and had become the dominant strain in Vietnam, Laos and northeastern Thailand,” said Roberto Amato, who worked with a team from Britain’s Wellcome Sanger Institute and Oxford University and Thailand’s Mahidol University.

 

Credit CDC

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