2 human cases of West Nile Virus confirmed in Clark County

Sept 12, 2018

Two human cases of West Nile Virus have been confirmed in Clark County, the first cases in the county in 2018, according to a media release by the Clark County Combined Health District. 

RELATED: Sections of Springfield test positive for West Nile Virus

As of Monday, the two confirmed cases in Clark County brings the total number of human cases in Ohio to 18, the health district said in a media release Wednesday. 

“In the previous five years, only one positive human case of West Nile virus had been recorded in Clark County,” officials said in the release. 

RELATED: Additional mosquito samples test positive for West Nile in Clark County

According to the health district, the virus is most commonly spread by mosquitoes. 

“Mosquitoes become infected when they feed on infected birds. Infected mosquitoes can then spread the virus to humans and other animals they bite,” health district officials said in the release. 

Throughout the summer, multiple mosquito samples in Clark County have tested positive for West Nile Virus, according to previous reports from the Clark County Combined Health District. 

Health officials said about 80 percent of people infected with the virus will not show any symptoms at all. Most who will show symptoms show them between three and 14 days of being bitten by a mosquito.

RELATED: Ohio West Nile Virus activity highest since 2012

Some symptoms of the virus include: fever, headache, body aches, disorientation, nausea and vomiting, among others, according to the health district. 

Heath officials will conduct inspections and treat affected ares with Duet to reduce the adult mosquito population, in response the the two human cases. 

We’ll update this page with more details as they become available.