A member of the National Health Foundation fumigates against the Aedes aegypti mosquito, vector of the dengue, chikungunya fever and zika viruses, in Gama, 45 km south of Brasilia, on February 17, 2016. Members of the armed forces and and technicians from the Ministry of Health have been deployed for two days as part of an awareness campaign against the insect throughout Brazil. AFP PHOTO / EVARISTO SA / AFP / EVARISTO SA (Photo credit should read EVARISTO SA/AFP/Getty Images)
