Egg producers suspect bird flu is traveling through the air. After a disastrous Midwestern outbreak early this year, we ...

A man in Washington has been diagnosed with a strain of the bird flu that’s never been detected in humans before. The ...

As the first human case of H5N5 bird flu is confirmed in the US, here are some frequently asked questions about the disease, ...

The U.S. flu season is starting slowly, and it’s not clear if it will be as bad as last winter’s. But some health experts are ...

Health experts warn this flu season could be unusually severe, with early spread and concerning H3N2 strain activity across ...

The United States may be headed for a rough flu season, with a virus that causes more severe symptoms than the one last year ...

Research links COVID vaccination to higher acute kidney injury risk within one year, though vaccinated people showed lower ...

The NIH is picking up Robert F. Kennedy Jr.’s argument that a healthy immune system can keep even pandemic germs at bay.

A new flu variant, called subclade K, is spreading overseas and may set the stage for another tough winter in the United ...

The United States may be heading into its second severe flu season in a row, driven by a mutated strain called subclade K ...

Study shows high-dose vaccines work better for older adults while cell-based versions benefit younger people as respiratory ...