The mandatory testing comes as the total number of infected herds in California has risen to 17. Nationally, officials have ...

With the approach of fall and cooler weather across the United States, officials say the risk posed by the H5N1 bird flu ...

A third close contact of a patient in Missouri who was hospitalized with H5N1 bird flu has reported that they also ...

A second health worker who cared for a person hospitalized in Missouri with H5N1 bird flu developed mild respiratory symptoms ...

It is not inevitable that H5N1 will develop into a pandemic -- if we act now. Unfortunately, instead of urgent action, we ...

The world is watching how the U.S. is responding to the H5N1 bird flu outbreak in dairy cattle, a top WHO official said.

For the past several years, millions of birds around the world have been killed or culled because of a highly pathogenic form ...

Researchers in Texas detected H5N1 in wastewater from 10 cities, but the risk to humans is currently low. Ongoing ...

A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

The US Department of Agriculture (USDA) has taken a significant step towards the approval of an H5N1 avian flu vaccine for ...