Dallas Deploys Old Weapon in New Mosquito Fight : NPR 0 Randall Gross HealthAugust 2012Sunday, August 19, 2012 at 3:24 pm PDT • Views: 1,014 npr.org Aerial Spraying Dallas Chemical Dallas Mayor Mike Mosquito-Borne West Nile New Mosquito Fight Overall Mosquito-Killing Strateg Insecticide West Nile West Nile Virus Mosquitoes