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.

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the same. There are some notable differences between flu A and flu B strains. On ...