KLAMATH FALLS, Ore. (AP) -- State and federal wildlife biologists are on guard this summer for any sign that a virulent strain of avian flu has reached Oregon.
Bird flu, or avian influenza, is a natural disorder that occurs in bird populations and causes few problems, according to the United States Fish and Wildlife Service.
But a virulent strain, known as H5N1, is often deadly in domestic birds and can cause serious illness and death in humans. It is already present in Asia, Africa and Europe.
Efforts in Oregon to detect bird flu are part of a national campaign throughout the Pacific Flyway. Migratory birds that use the flyway to reach the Arctic interact with birds from Asia that have been exposed to the virus. Alaska began testing last year and has yet to document a case.
Michelle Dennehy with the Oregon Department of Fish and Wildlife said scientists don't expect the disease to reach the United States this year, but they don't want to take any chances.
In August, wildlife biologists will arrive in the Klamath Basin to begin sampling live birds, specifically juvenile mallards, northern pintails and green wing teals. Hunter-killed birds, including mallards, American and Eurasian widgeons, northern pintails, northern shovelers and green wing teals will be tested at check stations throughout October and November.
Wildlife biologists also plan to test fecal samples.
A hotline will be established for people to call who want to report sick birds or large die-offs of flocks, according to U.S. Fish and Wildlife Service spokesman Brad Bortner.