TOPSHOT - A Health Ministry employee fumigates a home against the Aedes aegypti mosquito to prevent the spread of the Zika virus, in Soyapango, 6 km east of San Salvador, on January 27, 2016. Health authorities have issued a national alert against the Aedes aegypti mosquito, vector of the Zika virus which might cause microcephaly and Guillain-Barré syndrome. AFP PHOTO / Marvin RECINOS / AFP / Marvin RECINOS (Photo credit should read MARVIN RECINOS/AFP/Getty Images)