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

Northwest Naturals is recalling a line of its pet food after authorities Oregon linked the death of a cat to a batch ...

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

Today, the Louisiana Department of Health (LDH) announced the state's first presumptive human H5N1 highly pathogenic avian ...

Nearly all of California’s cases of bird flu in people were due to ... the first instance of severe illness linked to the ...

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

The U.S. Centers for Disease Control and Prevention says a patient has been hospitalized with a severe case of H5N1 infection ...

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

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

Medscape Medical News spoke with the CDC expert on the current H5N1 situation in the United States and ongoing surveillance ...

California Gov. Gavin Newsom declared a public health emergency on Wednesday as bird flu continues to spread among the ...