But the most important difference between the two is that type A viruses can cause pandemics because of how often and quickly ...

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, ...

Flu activity in Michigan is considered "very high," according the latest report from the U.S. Centers for Disease Control and ...

The U.S. is facing its worst flu season in 25 years, according to the Centers for Disease Control and Prevention, which ...

Last winter, flu activity broke records in the U.S. And while this flu season is just starting — and it's already shaping up to be another rough one. Flu is picking up steam earlier this year than ...

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 Michigan.