Health officials in Dallas County have reported the county's 30th and 31st human cases of West Nile virus for the 2016 season on Thursday.
See which cities are ground spraying for mosquitoes and when.
Local leaders are preparing for a double punch of mosquito-borne illnesses between West Nile and Zika. That combination could potentially lead to a first in Tarrant County: aerial spraying.
Dallas County health officials have confirmed several more cases of West Nile virus -- bringing the 2016 total to 29.
Dallas County health officials confirmed the county's 21st and 22nd human cases of West Nile virus in 2016 on Thursday.
Dallas County health officials confirmed the county's 20th human case of West Nile virus in 2016 on Wednesday.