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Mosquitoes Carrying West Nile Found in Ada County, Officials Will 'Fog' Sites

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- The Culex mosquito can transmit West Nile Virus to humans. -  - PUBLIC DOMAIN/WIKIMEDIA COMMONS
  • Public Domain/Wikimedia Commons
  • The Culex mosquito can transmit West Nile Virus to humans.


Mosquitos carrying the potentially deadly West Nile Virus have been caught in a trap near the Ada County community of Star, according to the Ada County Weed, Pest & Mosquito Abatement Department. 

"When we have a positive test like this, we address it immediately. We constantly work to stay on top of the county's mosquito population," said program director Brian Wilbur. "We will continue to keep a close eye on these locations, in addition to our regular treatment efforts throughout all of Ada County." 

The trap where investigators found the virus-containing mosquito is located to the north of the intersection of Chinden Boulevard and Ten Mile Road. A second trap near Star along the Boise River tested "temporary positive." The abatement department has submitted that trap to a lab for additional testing. 

- The Weed, Pest & Mosquito Abatement Department has mosquito traps all across Ada County. The trap that tested positive for West Nile Virus is marked in red. -  - ADA COUNTY
  • Ada County
  • The Weed, Pest & Mosquito Abatement Department has mosquito traps all across Ada County. The trap that tested positive for West Nile Virus is marked in red.
As a preventative measure, the abatement department will fog a square mile around the positive-testing sites in addition to its regular mosquito reduction operations. It's also asking the public to drain standing water where mosquitoes reproduce, use insect repellent and wear light-colored, loose clothing while outdoors, particularly during dusk and dawn when mosquitoes are most active.

Most people infected with West Nile Virus show no symptoms, but approximately 20 percent will develop a fever and flu-like aches. Less than 1 percent of those infected may develop a serious neurological illness. There's currently no treatment for the disease. 

In 2006, almost 1,000 Idahoans contracted West Nile Virus, 250 of whom lived in Ada County. Statewide, there were 23 deaths related to the illness. The public can track Ada County's mosquito traps online.