The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

Plus, which is poised to dominate this flu season.

Some scientists say this year's flu shot isn't well matched to a key strain that could spread widely in the months ahead. So, is there still a point in getting it? Medical experts say: absolutely.

As we get deeper into flu season, a new type of the influenza virus has been identified, the Centers for Disease Control and ...

A mutated strain of the flu is surging worldwide, sparking concerns about a severe flu season in the U.S. Here's what to ...

If you feel ill but your symptoms are only above the neck — a stuffy nose, a bit of a sore throat — you could just have a ...

The flu season has started early this year, and we are prepared for it to be a bad one. Whether you have already had a ...

Some viruses mutate more rapidly than others. Learn more about why that is and what that means for your health.