West Nile Virus was first discovered in the United States in the late 1990's and cases continue to pop up every summer.
Two cases were reported in Wood County last year. The elderly are more affected by the virus, but anyone can get it.
Symptoms can include fever, muscle aches, and in severe cases swelling of the brain.
And it all comes down to just one bite.
"The main prevention message is to try and eliminate the breeding habitats for the mosquitoes so we're talking to people about emptying any type of standing water because the mosquitoes will use the standing water to lay their eggs and they breed there," says Mid-Ohio Valley Health Department Regional Epidemiologist Patrick Burke.
Experts also say bug spray including DEET will deter mosquitoes. Most West Nile cases go undetected, but the virus can be deadly.
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