Scientists have now traced why the H5N1 bird flu virus that jumped into U.S. dairy herds keeps turning up in cows’ udders and ...

The strain of bird flu that infected a Michigan dairy farmworker is capable of airborne transmission, amping up concerns about its potential to spark a new pandemic, according to a research letter ...

The Centers for Disease Control and Prevention said Thursday that testing of a person with a severe case of bird flu indicated the virus had mutated when compared with samples taken from infected ...

A potential case of bird flu jumping from a domestic cat to a human has been documented for the first time. The U.S. Centers for Disease Control and Prevention (CDC) confirmed in a study published May ...

A line of Holstein dairy cows feed through a fence at a dairy farm in Idaho on March 11, 2009. automation The Centers for Disease Control and Prevention said in a summary on Friday that it is ...

On a remote beach near Esperance, Western Australia, two sick seabirds have brought the bird flu crisis to Australia.

The CDC considers the public health risk from the avian flu to be low, but there are still concerns about the potential spread of the virus. Public health officials in at least one state are now ...

The deadly H5N1 bird flu has reached a second Australian state, with a third seabird confirmed infected and more cases ...

Experts have urged Australians to get their annual vaccination after a highly pathogenic strain of bird flu was discovered in ...