The U.S’s biggest dairy-producing state is being squeezed by the recent outbreak of bird flu, which also affects cattle—and ...

The new strain is a combination of the H5N1 strain that has been widely detected across the world and likely a “low-pathogenic” bird flu virus — a kind of mild virus that moves through birds ...

California researchers say the world may be just one genetic tweak away from human-to-human transmission of the H5N1 bird flu virus — a worrisome mutation that could open the door to widespread ...

Health officials also detected a more common H5N1 strain of bird flu on the same farm which is located in Merced County, ...

California Governor Gavin Newsom has issued a state of emergency in response to a bird flu outbreak. California is in a state of emergency due to a recent bird flu outbreak. As residents grapple ...

Since California's first detection of H5N1 Bird Flu in dairies, there have been 765 infected dairies, with 613 recovered and released from quarantine, according to the California Department of ...

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a newer variant of the H5N1 virus. That variant is called H5N1 D1.1, the ...

Experts warn about the possibility of a new pandemic in 2025 as the H5N1 bird flu virus spreads across all 50 states, impacting US dairy farms and leading to human infections. While bird flu has ...

The finding by the Centers for Disease Control and Prevention about the child, who lives in California, deepened the mystery about the spread of H5N1 bird flu, a viral ailment that epidemiologists ...

From the earliest days of the H5N1 bird flu outbreak in dairy cattle, experts watching the evolving situation have worried about California. The Golden State has the country’s largest ...

What is H5N9? What we know: H5N9 is a strain of the H5N1, H7N9, and H9N2 bird flu virus subtypes, according to the National Institute of Health, but far less common.