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Health Authority, Public Health Division works with local health
departments, mosquito control districts and other agencies to detect and
test for the presence of West Nile virus. Health care providers, veterinarians and diagnostic laboratories take part in surveillance efforts.
Birds are a natural host for West Nile virus; in Oregon particularly crows, ravens, jays, magpies, and sage grouse. A large or continuous die-off of birds may be a local indicator of WNV activity.
Contact one of the following Oregon agencies for collection and testing for West Nile virus surveillance:
Veterinarians are required to report horses with the appropriate clinical signs. Refer to West Nile Virus testing for further information and contact the Oregon Dept. of Agriculture at 503-986-4760 before submitting horse samples.
Any other animal suspected of having West Nile virus or other viruses carried by mosquitoes will be tested at a laboratory. If you have any questions, please call the state public health epidemiologist on call at Oregon Health Authority, Public Health Division, 971-673-1111.
U.S. West Nile cases by state 2014 - CDC website
* Acquired out of state
Cases in Pacific NW (pdf)
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