Health officials began providing the safety gear long before the first human case in California was announced in October.

After first appearing in birds in Argentina in February of 2023, a "highly pathogenic" strain of H5N1 was spotted in infected ...

The bird flu has been spreading rapidly among cows on a handful of dairy farms in California, Idaho and Utah. The virus, also ...

As H5N1 bird flu continues to spread around the US, health officials recently found that 7 percent of dairy workers tested on farms in two states had evidence of recent infection — and some had signs ...

USDA both regulating and promoting livestock industries -- prevents appropriate responses to outbreaks of infectious disease ...

Bird flu jumped from cows to California farmworkers this month. Virus symptoms are mild and it has not spread from humans to ...

There were 21 cases of human bird flu in California on Nov. 6. Thirteen of those cases are in Tulare County. Here's why it matters.

There are now two strains of H5N1 bird flu circulating in California. The form circulating in dairy cows is known by ...

The CDC said Thursday it is updating its recommendations for testing, treatment and protection for workers who may be exposed animals infected with bird flu.

H5N1 bird flu was detected in a pig in Oregon, marking the first detection of the virus in swine in the country, the U.S.

Almost 50 cases of bird flu have been detected in the U.S., mostly in California and Colorado, according to the Centers for ...