The Gates Foundation and partner Oxitec have developed genetically-modified mosquitoes to be used to reduce malaria and other mosquito-born diseases. The modifications only affects the target species, leaving other mosquitoes and insects undisturbed. Trials in India, Panama, and the US indicate that this technology can decrease more than 80% of the mosquito species that spread Zika and Dengue. Ongoing research is working to apply similar technology to the species of mosquito responsible for most malaria in the Americas.
Source: Gates Foundation and Oxitec fight malaria with genetically-modified mosquitoes