Dengue, the excruciating mosquito-borne disease, is surging throughout the world and coming to places that had never had it. California just confirmed a rare U.S. case.
Working on a remote island, scientists think they can use genetic engineering to block a malaria-carrying species of mosquito from spreading the disease — and do it in just a few months. But governments are wary.
Climate change and the rapid evolution of the insect have helped drive up malaria deaths and brought dengue and other mosquito-borne viruses to places that never had to worry about them.