For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...

The variant of bird flu that killed a Louisiana resident has now been found in dairy cows. Until now, the human cases of bird ...

Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to ...

A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples ...

Bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and dairy cows with several recent human ...

State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

San Mateo County public health officials reported finding H5N1 bird flu in a pet cat and a backyard poultry flock.

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

H5N1 bird flu, also known as avian influenza, continues to spread, with reports of a third human case from an unknown ...

The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...