Bacteria In Worms Make A Mosquito Repellent That Might Beat DEET – NPR

Enlarge this image An image, from a scanning electron micrograph, of Heterorhabditis megidis nematode worms (colored blue). These parasitic worms harbor a bacteria that repels mosquitoes. Steve Gschmeissner/Science Source hide caption toggle caption Steve Gschmeissner/Science Source The next great insect repellent might come from a strain of bacteria that lives inside a common parasitic worm. A study published Wednesday in Science Advances has found that a compound derived from these bacteria is three times more potent than DEET in repelling mosquitoes. More research must be done to demonstrate its safety, but this bacterial chemical could play an important role in ...

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