An Anopheles stephensi mosquito obtains a blood meal from
a human host through its pointed proboscis in this
undated handout photo obtained by Reuters
November 23, 2015. Reuters/Jim Gathany/CDC/Handout via Reuters
Scientists aiming to take the bite out of malaria have produced a strain of mosquitoes carrying genes that block its transmission, with the idea that they could breed with other members of their species in the wild and produce offspring that cannot spread the disease.