The H5N1 bird flu appears to be stampeding through dairy farms in California, the country's largest milk producer. Over the ...

The latest human case of bird flu in the U.S. occurred in a patient with no reported exposure to affected animals, sparking ...

Oseltamivir has a controversial past. Governments around the world have spent billions of dollars to stockpile the drug since ...

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

The H5N1 bird flu has been spreading widely among wild birds, poultry, cows and a growing number of other animals NBC ...

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

Another health care worker who was exposed to a Missouri patient who tested positive for bird flu developed respiratory ...

A second health worker developed milk respiratory symptoms after caring for a person hospitalized in Missouri with H5N1 bird ...

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

Heading into the fall, the TexWEB team will be working to "disentangle H5N1 from those other strains [that] might be ...

Why it matters: California now accounts for all but two of the nation’s recent H5N1 bird flu outbreaks in livestock over the ...

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