H5N1 bird flu has now crossed into U.S. dairy cattle for the first time, and alarmingly, it did so through just one spillover ...

Bird flu infections have been rare among people, but the pathogen is evolving, which has scientists worried about a possible ...

Any evidence of a bird virus jumping readily into mammals is a worry, as it could indicate that mutations that allow for ...

Avian flu strains tend to only affect birds, but the current outbreak has spread to cattle and – in rare cases – people. The ...

Texas health and wildlife officials have detected avian flu in at least four mammal species across six counties on the High Plains.

Last week, that number was clearly higher than the peak of any winter flu season since 2009-2010, when a swine flu pandemic hit the nation, according to data posted Friday morning by the Centers ...

Editor’s Note: This is the second in a series of articles detailing how America lost ... positive on a general flu test — a common diagnostic that indicates human, swine, or bird flu ...

Hence it became known as “Spanish flu.” By June influenza reached from Algeria to New Zealand. Still, a 1927 study concluded, “In many parts of the world the first wave either was so faint ...

The UK reports its first-ever case of reverse zoonosis—human flu infecting a pig—raising alarms about factory farming public ...