In this Feb. 1, 2016 photo, a technician from the British biotec company Oxitec, inspects the pupae of genetically modified Aedes aegypti mosquitoes, a vector for transmitting the Zika virus, in Campinas, Brazil.
In this Feb. 1, 2016 photo, a technician from the British biotec company Oxitec, inspects the pupae of genetically modified Aedes aegypti mosquitoes, a vector for transmitting the Zika virus, in Campinas, Brazil. Andre Penner AP
In this Feb. 1, 2016 photo, a technician from the British biotec company Oxitec, inspects the pupae of genetically modified Aedes aegypti mosquitoes, a vector for transmitting the Zika virus, in Campinas, Brazil. Andre Penner AP