New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

Although California dairy farmers had heard about the H5N1 bird flu before it hit, none was prepared for the devastation it would cause in some herds. Oct. 20, 2024 ...

What is the H5N1 situation in California? In California, Gov. Gavin Newsom declared a state of emergency in December to combat bird flu, which has spread to the state's dairies in the last month ...

Emergency declaration by California Gov. Gavin Newsom shows we don't fully know how the H5N1 bird flu is spreading in cattle, experts say Skip to Main Content Manage alerts for this article ...

The U.S. Centers for Disease Control and Prevention (CDC) announced it is streamlining its H5N1 highly pathogenic avian ...

A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S. authorities that a strain ... What is H5N9 and how is it different from H5N1?

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 ...

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 ...

Two California dairy workers have been infected with bird flu, state and federal health officials announced late Thursday. The cases mark California’s first human infections amid outbreaks ...

The U.S. Centers for Disease Control and Prevention ended its emergency response for bird flu as the outbreak that sickened ...

Five House members from California’s San Joaquin Valley led by Rep. Jim Costa, a Democrat, sent Agriculture Secretary Brooke Rollins a letter on Tuesday urging her to develop and evaluate an H5N1 ...