DALLAS -- Dallas County Health and Human Services will announce the first human case of West Nile virus this year in the county at a news conference Tuesday afternoon.
The first human case last year in Dallas County was confirmed on June 21, 2012.
Sources tell WFAA the newly-confirmed West Nile patient is in his 50s, and the patient is alive. No other information has been released.
The first human case of West Nile virus in the state this year was a man in Anderson County, southwest of Tyler, on May 24. A Tarrant County woman was the first human case in North Texas this year, confirmed on June 14.
The county health department will hold a news conference at 4 p.m. Tuesday to announce further details.
The health department advises residents to drain standing water, use an insect repellent containing the pesticide DEET, and wear long-sleeve shirts and pants outside at dawn and dusk when mosquitoes, the most common carrier of the virus, are most active.