California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in ...

A bird-flu pandemic is not an exhilarating prospect. Though the strains of the virus currently in circulation may not be as ...

Reports that cows have been infected despite farmers' preventive measures indicate there are multiple routes of transmission ...

The bird flu outbreak has spread to all 50 states, these maps show. Here are the symptoms and what to do if you think you ...

Pennsylvania has so far seen no cases of bird flu in cattle and has not detected a case of the virus in domestic birds in at ...

Officials have discovered the virus in 645 dairy herds, more than in any other state so far. In a stark acknowledgment of the ...

The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.

Bird flu virus has swept through farms across the nation’s largest dairy producing state. All human cases had been mild - ...

Los Angeles County health officials have identified three more cats with presumptive H5N1; the source of the virus has not ...

The H5N1 bird-flu virus has been found in new dairy-cattle herds in Southern California. No human-to-human spread has been ...

The virus is passed from animals to people. While the current public health risk is low, people are encouraged to take ...

A Louisiana patient is critically ill with severe respiratory symptoms from H5N1 bird flu, marking the 61st U.S. human case ...