"DALLAS - Suffering from the nation's deadliest outbreak of West Nile virus this year, Dallas County authorized aerial spraying of insecticide on Friday for the first time in nearly five decades to help fight the mosquito-born illness."

"Texas' second most populous county announced the decision after its leaders met with the state's top health official and experts from the Centers for Disease Control and Prevention. Nearly 90 cases of the most severe form of West Nile have been confirmed in the county so far, nine residents have died, and the virus' peak season is just beginning.

'This is a matter of extreme concern, and we're going to follow the science and do what's best for our people,' said Dallas County Judge Clay Jenkins, the county's top elected official."

Danny Robbins reports for the Associated Press August 11, 2012. [2]