Four farm workers who helped cull poultry on an commercial egg farm in Washington are presumed to have been infected with bird flu, making that state the sixth in the country to report human H5N1 ...

The Washington State Department of Health announced Thursday morning that two people tested positive for bird flu after an ...

Human bird flu cases in California may be undercounted as farm workers avoid testing due in part to economic concerns, ...

The Washington State Department of Health says neither person has experienced severe illness or been hospitalized.

The U.S. Centers for Disease Control and Prevention on Thursday confirmed two of the four presumptive positive bird flu cases ...

Blood tests of several people who were in contact with a patient in Missouri who caught H5N1 bird flu without any known ...

On Wednesday, the CDC confirmed two new human cases of avian flu in California, bringing this year's total up to 27 nationwide. Meanwhile, Reuters reports on how an emergency order to protect against ...

Four farmworkers in Washington state have suspected cases of bird flu after working to remove carcasses from a farm where ...

Four agricultural workers in Washington state were recently diagnosed with avian influenza A (H5N1). The cases mark the first human infections of the disease under investigation in the state.

Bird flu cases are on a steady rise in the United States including a number of human infections which can sparked concerns.

A commercial broiler poultry farm just west of California's Springville, with a flock of 786,600 birds, has been confirmed to have cases of bird flu.

Advisers to the Centers for Disease Control and Prevention on Wednesday recommended expanding the use of vaccines to adults ...