Dallas County Health officials are reporting the first human case of West Nile Virus (WNV) infection for 2023.
Officials say the patient is a male resident of Dallas and was diagnosed with West Nile Neuroinvasive Disease.
We are reporting the first human case of West Nile Virus of the 2023 season. WNV is transmitted to humans by the bite of an infected mosquito, and people should be careful when going out outside to enjoy outdoor activities,” said Dr. Philip Huang, DCHHS Director. “Please follow the 4 Ds to do everything you can to avoid mosquito bites.”
The 4 D's are:
DEET: Whenever you’re outside, use insect repellents that contain DEET or other EPA-approved repellents and follow instructions.
DRESS: Wear long, loose, and light-colored clothing when outdoors.
DRAIN: Drain or treat all standing water in and around your home or workplace where mosquitoes could lay eggs.
DAWN to DUSK: Limit your time outdoors during these times when mosquitos are most active.
WNV is a disease that is spread by the bite of an infected mosquito. Mosquitoes can become infected when they feed on the blood of infected birds. The infected mosquitoes can then transmit WNV to humans and animals. Severe WNV infections can cause neurologic complications such as encephalitis.
Milder symptoms include fever, headache, and muscle aches. There is no vaccine or specific treatment for WNV.
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