A flu strain that emerged over the summer is causing "unprecedented" outbreaks in Japan, as well as in Canada and the U.K.

The variant is known as influenza A subtype H3N2 subclade K–sometimes called “subclade K” for short—and it has been detected ...

America's withdrawal from the World Health Organization is affecting the ability of U.S. scientists to track flu and other ...

As we enter the beginning of flu season, October is a great time to get your shot, experts agree. After you receive the flu vaccine, your body will need around two weeks to produce antibodies and ...

As bird flu continues to be a problem across the US, a fifth flock of sick birds have been confirmed in Georgia. Here's what ...

Migrating wild birds are spreading the virus to domesticated flocks, increasing the risk of eventually seeing a human ...

A flock in Monroe County tested positive for avian flu, prompting Michigan officials to urge tighter biosecurity.