The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests reported to the ...

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most ...

It feels like everyone is sick right now. And while that is a slight exaggeration, the real situation isn't too sunny either.

It’s hard to tell the difference between the stomach flu and food poisoning—but medical experts say there are a few clues ...