AdvertisementWorld Health Organization Dismisses Calls To Move Or Postpone Rio OlympicsMay 28, 2016Merrit KennedyfacebookEmailHealth workers get ready to spray insecticide to combat the Aedes aegypti mosquitoes that transmits the Zika virus in January, under the bleachers of the Sambadrome in Rio de Janeiro, which will be used for the Archery competition in the 2016 summer games. (AP)