Support WBURVaccine For Dengue Fever Shows A Glimmer Of HopeJoe PalcaSeptember 10, 2012 ShareA health worker in the Domincan Republic sprays insecticide between houses to stop dengue fever outbreaks this month. (AFP/Getty Images)
A health worker in the Domincan Republic sprays insecticide between houses to stop dengue fever outbreaks this month. (AFP/Getty Images)