A man works on a fence amidst a cloud of insecticide as city workers fumigate to combat the Aedes Aegypti mosquitoes that transmits the Zika virus, at the San Judas Community in San Salvador, El Salvador, Tuesday, Jan. 26, 2016. Worries about the rapid spread of Zika through the hemisphere has prompted officials in El Salvador, Colombia and Brazil to suggest women stop getting pregnant until the crisis has passed. (AP Photo/Salvador Melendez)
