The Indiana State Department of Health says that the human case was confirmed Monday in Vanderburgh County and 168 mosquito samples in 27 Indiana counties have tested positive for the virus.
The county's Health Unit reports that mosquitoes taken from a trap in the southeastern part of Mitchell have tested positive for West Nile virus.
So far this mosquito season, about four dozen mosquito traps - in Addison, Balch Springs, Coppell, Dallas, DeSoto, Garland, Highland Park, Irving, Mesquite, Richardson, Rowlett and University Park - have captured mosquitoes with the virus, according to DCHHS.
Minimize time spent outdoors, especially at dawn and dusk when mosquitoes are most active.
The product used will be a mosquito pesticide called Zenivex E20, which kills adult mosquitoes, but is not harmful to people and pets.More news: GOP Rep. Collins Arrested, Charged With Insider Trading By New York Prosecutors
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The first appearance of West Nile was in late-July, with a crow in Sarnia testing positive for the virus.
Symptoms usually develop between two and 15 days after being bitten by an infected mosquito.
DCHHS recommends that Dallas County residents use an insect repellent containing DEET whenever they go outside, and that they dress in long, loose and light-colored clothing.
There is new evidence of West Nile virus in Perth County.
Drain or treat all standing water in and around your home or workplace.