As the seasonal flu picks up, there are even more opportunities for the bird flu to acquire mutations as the different influenza viruses mix.

Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

First come the horseshoe crabs. Hoisting their round, tank-like shells, they trundle out of the Delaware Bay under the first ...

Sam Scarpino, a disease surveillance specialist in the Boston area, wondered how many other mysterious infections had gone ...

With the spread of bird flu in the U.S., the prices of eggs have jumped in recent weeks, throwing another curveball to consumers looking to prepare goods for the upcoming holidays. The price tag ...

The bird flu virus was detected for the first time in U.S. dairy cows in March. According to the Centers for Disease Control, H5 bird flu is widespread in wild birds worldwide and is causing ...

a disease surveillance specialist in the Boston area, wondered how many other mysterious infections had gone undetected. Surveillance outside of farms was even patchier than on them, and bird flu ...

California declaring a public health emergency over bird flu, which hospitalized a British Columbia teenager for weeks. A fourth case of chronic wasting disease among deer. Tens of thousands of ...

Lyme disease and rabies. Bird flu — the H5N1 influenza strain — is a virus that wild birds like ducks and geese occasionally get sick with. The Lower Mainland sits smack dab in the middle of ...

A person in Louisiana has the first severe illness caused by bird flu in the U.S., the Centers for Disease Control and Prevention announced Wednesday. Officials determined the patient had exposure ...

The Department of Health Services in Wisconsin has reported the state's first human case of the bird flu. The agency on ...