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

The H5N1 strains are becoming more concerning as the first severe U.S. case has been detected and California declared a state ...

More than 4 million chickens and turkeys have been killed across California in an attempt to stop the virus from spreading.

A fast-growing outbreak of avian flu has upended California’s dairy industry, the nation’s largest producer of milk, ...

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

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

A patient in Louisiana has been hospitalized with a severe case of H5N1 bird flu, the US Centers for Disease Control and ...

Another state has reported a possible case of human bird flu as overall figures rise in the U.S., increasing the risk of a ...

The patient had been exposed to sick and dead birds in backyard flocks, according to the Centers for Disease Control and ...

The Centers for Disease Control and Prevention confirmed the first case of severe bird flu in the U.S. on Wednesday.

A person in Louisiana has been hospitalized with a severe case of the bird flu. It is the first known human H5N1 infection in ...