The district received lab results from the state Department of Health that showed five mosquito pools, or samples, tested positive for the virus in five locations.
"As we begin to see additional cases of West Nile Virus in humans, it is critically important that Delawareans take preventive measures to avoid mosquito bites", said DPH Director Dr. Karyl Rattay.
"So, the type of mosquitoes that we are concerned about with West Nile are the Culex mosquitoes", said Andy Tyler, Regional Epidemiologist, Mesa County Public Health Department.
Tuesday, Ouachita Parish Mosquito Abatement met to discuss the future of the West Nile virus here. Most people infected with the virus won't get sick, but those who do can experience symptoms like fever, headaches, muscle aches, and fatigue.
Ratard said 1,054 people in Louisiana have come down with the most serious form of the disease over the past 16 years.
Maintain window and door screening to help keep mosquitoes outside.
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The infected mosquitoes were collected in the town last week. Although few mosquitoes actually carry the virus, there a several things you can do to minimize your exposure and eliminate breeding grounds for mosquitoes.
Once in water - as little as a spoon's worth - mosquitos will go from larvae to a biting menace in a mere three days.
Be sure to apply mosquito repellent to bare skin. If they're not, fix any broken screens as needed to keep the pests out of your house.
Wear loose-fitting clothes with long sleeves and trousers. Empty any unused flowerpots and wading pools, and change the water in birdbaths frequently. Owners should also speak with their veterinarian about mosquito repellents approved for use in animals and vaccinations to prevent WNV and EEE.
More information about West Nile is available here.