West Nile Virus in the USA - Dallas Reports 3rd Human Case

Randy Kelley
August 11, 2018

West Nile virus is an arthropod-borne virus (arbovirus) spread by the bite of infected mosquitoes. "There has been one human case already this year".

The release reads that the virus was confirmed in the population of mosquitoes in northern parts of Serbia, especially in Belgrade, where all four fatal outcomes occurred.

Symptoms of West Nile virus in humans are typically like those of a mild flu, but the virus can lead to a more serious condition that includes swelling of the brain, muscle convulsions, coma, paralysis and death.

Eliminate all sources of standing water on your property, including flowerpots, gutters, buckets, pool covers, birdbaths, old auto tires, rain gutters and pet bowls. Long trousers and sleeves are also an important way to cut down on possible exposure to mosquitoes.

Drain any water that collects around your home. Birds, horses and humans can get infected through a single bite.

Similar to other arboviruses, previous infection with West Nile Virus can provide long-term immunity to the virus, however, the level of protection may wane over time. The Department of Natural Resources and Environmental Control (DNREC) Mosquito Control Section has seen an increase of WNV found in wild birds and sentinel chickens. Apply insect repellent containing DEET, picaridin, oil of lemon eucalyptus, or IR 3535 according to label instructions.

For more information, go to www.westnile.state.pa.us. In 2017, Ada County's first positive West Nile test pool was reported in mid-July.

About 80 percent of people who are infected with West Nile virus will not show any symptoms at all, but there is no way to know in advance if a person will develop an illness or not. Horse and large animal owners are encouraged to vaccinate their animals against the virus and to clean out watering sources, such as buckets and troughs, every three-to-four days to prevent mosquitoes from breeding there.

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