Washington state health officials are investigating after four agricultural workers tested presumptively positive for bird ...

Four agricultural workers tested "presumptively positive" for avian influenza, or bird flu, after working with infected poultry at a commercial egg farm in Franklin County, according to the Washington ...

Four agricultural workers in southeast Washington have preliminarily tested positive for bird flu after working with an ...

Washington state health officials said four agricultural workers tested presumptively positive for avian influenza, marking ...

The worker are the first presumed human cases of highly pathogenic avian influenza, H5N1, under investigation in Washington ...

Washington State Department of Health announced on October 20 that four agricultural workers tested positive for avian ...

Four people have reportedly developed symptoms of avian flu after working with infected poultry in Franklin County.

Four agricultural workers have tested “presumptively positive” for avian influenza after working with infected chickens at a ...

Washington’s cases took place at a farm experiencing an avian influenza outbreak in chickens, according to a news release ...

Four farm workers in Franklin County tested presumptively positive for bird flu, in what WA Department of Health said are the ...

Four agricultural workers at a commercial egg farm have tested presumptively positive for avian influenza, commonly known as ...