The H5N1 strain of avian flu is now passing easily among South America's elephant seals and drastically cutting herd ...

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

Here’s what we know about the bird flu — and what it would take for it to start spreading in humans. In January 2022, health ...

Federal health officials are calling for more testing and treatment of workers on farms with bird flu. The new guidance comes ...

Dr. Bonnie Henry says the teenager who has tested positive for bird flu is in critical condition and being treated at B.C.

Almost from the beginning of the spread of H5N1 bird flu among farms and ranches in the U.S. earlier this year, experts and ...

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.

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 ...

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.

As avian flu spreads in California dairies, new CDC study finds evidence of prior infection in people who felt healthy.

By Kristen Hwang, In the heart of California’s dairy country, workers kitted in respirators, face shields and gloves are ...