The spraying would be concentrated above a dozen cities in the northeast section of the county.
Aerial Spraying Approved In Tarrant County For WNV
West Nile virus has been a problem in Tarrant County this year.
CBS 11 Dallas
Aerial Spraying Approved In Tarrant County To Kill Mosquitoes Carrying West Nile Virus
Credit: CBS 11 Dallas
Duration: 01:43s
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