A man works in Rio de Janeiro during an awareness and prevention campaign against the mosquito Aedes aegypti, the transmitter of Zika virus, in Rio de Janeiro, Brazil, on February 13, 2016. In the works to expand the subway, in the neighborhood of Leblon, the workers are being trained to avoid mosquito focuses on the construction site. The Metro is being expanded to meet the 2016 Olympic Games and there is great concern on the part of the authorities to prevent the virus outbreak zika cause even more damage. A company specializing in pest control was hired to spray insecticide at construction sites and prevent the spread of aesdes aegypti. The Zika virus is transmitted by the mosquito Aedes aegypti, which is also the carrier of dengue and Chikungunya. (Photo by Luiz Souza/NurPhoto) (Photo by NurPhoto/NurPhoto via Getty Images)
