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

The ongoing bird flu outbreak in the U.S. just got a bit more concerning: a person in Louisiana has been hospitalized with ...

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

The CDC has declared the first “severe” case of H5N1 bird flu in the U.S., according to a press release published Wednesday.

A person in Louisiana has been hospitalized with the United States' first serious case of H5N1 bird flu, following 60 milder ...

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

Please read additional Q&A features and commentaries at: CDC Expert Commentary. What is the level of concern regarding H5N1?

The CDC has confirmed the country’s first severe case of bird flu in a human, and the California governor has declared a ...

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

Here’s what to know about the United States’ first confirmed severe case of H5N1 avian influenza—and how to protect yourself.

Although rare, humans can get the H5N1 bird flu. People can get it through direct contact with infected animals, including ...

The Centers for Disease Control and Prevention Dec. 18 announced that a patient in Louisiana was hospitalized with a severe ...