Avian flu cases in Colorado have led to farms losing entire flocks of hens in places like Weld County. One egg-producing ...

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

It is also the first confirmed case of bird flu in Mexico, according to an agency ... for advancing H5N1 research and translating new findings into strategies and interventions that can benefit ...

Officials in Washington are investigating the state’s first-ever presumed human cases of avian influenza after four ...

Bird flu is presumed to have infected four poultry workers in Washington state, making it the sixth U.S. state to identify human cases this year, according to the Washington State Department of Health ...

The CDC is deploying a team to Washington state to assess the health of farm workers who culled poultry suffering from bird ...

All of the state's cases have been linked to contact with infected dairy cows, officials said. No human-to-human transmission has been documented.

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

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

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

The new outbreak does ... to notify all suspected cases, such as those of birds with respiratory or neurological signs or with high and sudden mortality. The avian flu outbreak that began last ...