Officials: Aerial spraying is safe

Published On: Aug 21 2012 06:13:57 PM CDT   Updated On: Aug 21 2012 06:31:59 PM CDT

Aug. 21, 2012: Aerial sprayings to combat a mosquito-borne disease are common, but it provoked a debate in Dallas. Critics have been questioning its effectiveness and say it may be a health hazard. Officials in Harris County say there's no reason to be concerned. Rachel McNeill reports.