One type mutates often and causes seasonal pandemics. The other one doesn't. Here's what else is different.

(NEXSTAR) – As we get deeper into flu season, a new type of the influenza virus has been identified, the Centers for Disease Control and Prevention confirms. The new strain is a variation of influenza ...

Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in New Jersey, symptoms, more.

We've all heard of "the flu" but when it comes to types, subtypes and variants, influenza can get a bit complicated. According to the U.S. Centers for Disease Control and Prevention (CDC), nearly ...

(NEXSTAR) – 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 Centers for Disease Control and Prevention since the start of ...

Feeling under the weather? You could have Influenza Type A. Here's the difference between Influenza Type A and Type B.