Gavin Newsom said he declared the state of emergency to better position ... Worldwide, nearly 1,000 cases of illnesses caused ...

The U.S. reports its first severe bird flu case in Louisiana; California declares emergency as H5N1 spreads. CDC says public risk is low.

With 645 infected herds and rising human cases, authorities are stepping up measures to contain the H5N1 virus and protect ...

Bird flu is caused by a type of influenza A virus. These viruses can infect a wide variety of wild and domestic birds, ...

A person in Louisiana is now hospitalized with a severe case of avian influenza, according to the CDC on Wednesday.

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