The Zika virus is transmitted by mosquitoes. Many cases in the U.S. are travel-related infections, involving people infected in other countries with Zika-carrying mosquitoes. But now, some U.S. cases involve local mosquitoes infecting people in nontravel incidents. As officials deal with nontravel Zika virus cases in Miami, the Food and Drug Administration has approved the use of genetically modified mosquitoes to eradicate those that carry the virus. Here are three methods of mosquito control being used to fight Zika.
Travel-related Zika cases by state
Totals as of Aug. 17
Genetically modified mosquitoes
This approach uses molecular biology as birth...