New super-resistant mosquito poses ‘unprecedented’ threat to curb dengue

A new super-resistant mosquito which poses an “unprecedentedly serious threat” to efforts to curb dengue has been uncovered in southeast Asia. 

Scientists tracking the emergence of insecticide-evading mutations in the dengue-spreading Aedes aegypti mosquito have found the “most resistant strain ever identified”, according to research published in Science Advances journal. 

The strain – known as FTWC and so far found in Cambodia and Vietnam – is “very worrying” because it could render the pyrethroid insecticides used to kill mosquitoes increasingly ineffective.  

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