Newly identified microbe disables the viruses before they can infect the insects, potentially reducing disease transmission in people
. But an extra weapon to help control mosquito-borne diseases is welcome—especially as the insects become resistant to current insecticides. The new study is “promising,” says Nsa Dada, a vector biologist at Arizona State University who was not involved in the work. “It’s important that we explore … new tools that can complement existing control measures.”
Indeed, such control might already be happening in nature. In parts of Yunnan where dengue is rare, Cheng’s team found lots of mosquitoes harboringYN46, whereas in dengue-endemic areas, it was almost absent—a correlation that warrants further investigation, McGraw says.
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