Larry Smart, a Miami-Dade County mosquito control inspector, uses a fogger to spray pesticide to kill mosquitos in the Wynwood neighbourhood as the county fights to control the Zika virus outbreak in Miami, Florida
Protected by a mosquito net, Nadia Gonzalez recovers from a bout of dengue fever at a hospital in Luque, Paraguay. Dengue, like the Zika virus, is transmitted by the same vector, the Aedes aegypti mosquito
A girl paints a mural that educates people about a mosquito control project in the village of San Diego village, in La Libertad, Salvador. People in San Diego are fighting the Aedes aegypti mosquito, vector of the Zika virus
Soe Zeya Tun/Reuters
Men sleep covered with a mosquito net on a bridge above a train station outside Yangon
Patients suffering from the mosquito-borne dengue fever in an isolation ward at a hospital in Rawalpindi, Pakistan. The disease is particularly prevalent during the monsoon season
An Indian man covers his nose as a municipal worker fumigates the area to prevent mosquitoes from breeding after the number of dengue fever deaths rose in New Delhi. Dengue fever is a potentially serious mosquito-borne virus.