This year has been marked by concerning developments in the virus’ spread, including widespread detections in wastewater and ...

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

The declaration of a state of emergency in California over avian influenza comes within days of the first severe human case ...

Public health officials have just reported the first known “severe” case of bird flu in the United States. There are now 61 ...

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

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

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

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

California declared a state of emergency this week over the spread of bird flu in the state as the virus continues to be ...

Louisiana reported a person hospitalized with a severe case of H5N1, and the USDA has begun bulk milk testing ...