West Nile Virus in 2007 - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

West Nile Virus in 2007

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EASTERN, Wash.--Umatilla and Morrow counties in Oregon report no West Nile infections in 2007 and all the cases reported in Washington so far have come from Yakima County.

Eight horses, one bird and a dog all tested positive for the virus. Luckily no humans have been infected yet.

Environmental Health Specialist, Susan Shelton, of the Benton-Franklin Health Department, is glad to see the number of cases go down. She wants to make sure the numbers go down even further, until no one is at risk of infection.

"You want to make sure you clean your property, get rid of that standing water because that's what the problem is," she said. "It's going to be standing water during the Spring time specially, where mosquitoes can actually grow."

It is through mosquitoe bites that West Nile virus is spread. Common symptoms include high fever, headaches, and vision loss.

The Center for Disease Control says over 3,000 human cases were reported last year. Ninety seven of these were fatal.