West Nile Virus

Many residents in Oregon have become increasingly concerned about West Nile Virus after last October’s discovery of a raven in northeastern Washington that tested positive for West Nile Virus. The virus may be a concern in our state this spring when mosquito season starts. Many species of birds, along with horses and other animals, may become infected and die from West Nile Virus. The disease is spread to humans through the bite of an infected mosquito. The virus is not spread person-to-person or directly to people from birds or animals. The majority of West Nile infections for humans are mild, with fever and flu-like symptoms. More severe infections may cause inflammation of the brain and potential death. Individuals can begin to take some simple precautions to protect themselves from mosquito-borne diseases like West Nile such as:

• Eliminate all sources of standing water that can support mosquito breeding.
• Since mosquitoes are most active at dawn and dusk, avoid playing or working outside at these times.
• When outdoors, wear long pants, long sleeve shirts and other protective clothing.
• Wear insect repellant. Use care when applying insect repellant.
• Make sure your doors and windows have tight fitting screens. Repair or replace screens that have tears or holes.

Residents can play an important role in helping to monitor for West Nile virus. Dead crows, jays, or magpies may indicate that West Nile virus is circulating between birds and mosquitoes in that area. If dead birds are observed in the community, and there is no apparent signs of trauma, contact Washington County’s Department of Health and Human Services at (503) 846-8722.

For more information on West Nile Virus:

• Frequently Asked Questions—City of Beaverton Public Works
• Washington County Department of Health and Human Services (English and Spanish)
• Oregon Department of Human Services

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West Nile Virus