The city's medical officer of health has moved the risk of the virus from low to moderate after a batch of mosquitoes trapped this week tested positive for the virus.
According to the Centers for Disease Control, West Nile Virus cases have been reported in all of the continental United States.
Repellent - Apply mosquito repellent to bare skin and clothing.
"With our recent heavy rains, Pennsylvanians may see an increase in mosquito activity", Health Secretary Dr. Rachel Levine said in the release.
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He told Channel 4 News: "I'm suggesting they would feel compelled, in large numbers, to a least consider moving, if not moving".
Although mosquitoes can bite at any time of the day or night, the mosquitoes that transmit WNV are most active at dawn and dusk.
The adult was hospitalized for treatment and is now recovering at home.
Hamilton County Public Health is urging resident to drain standing water and use mosquito larvicide on areas of standing water that can not be drained.
Symptoms of WNV include headache, fever, neck discomfort, muscle and joint aches, swollen lymph nodes and a rash that usually develop 2 to 14 days after being infected.
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Critics lashed out at the tourists for travelling to a region with polar bears and then kill the animals when they become unsafe . The animal attacked the guard after the boat docked at the island, with the two men reaching land before the tourists.
COVER doors and windows with screens to keep mosquitoes out of your house. DEET products should not be used on infants under two months of age and should be used in concentrations of 30% or less on older children.
A man in his 70s living in Penn Hills was bitten in mid-July by a mosquito carrying the virus.
To help control the mosquito population in Naperville, City crews inspect for and remove standing water and treat ponds, marsh areas and catch basins throughout the City with chemicals. Most people who are infected will have no symptoms or only mild flu-like symptoms.
These precautions are especially important for people at high risk for WNV, including individuals over 50, pregnant women, organ transplant patients, individuals with cancer, diabetes, high blood pressure or kidney disease, and those with a history of alcohol abuse.
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But he at least salvaged a podium finish after dropping to fourth overall following Friday's last mountain stage. You can choose to let it get to you or you can choose to let it motivate you, and we let it motivate us".