The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.
If you’re feeling under the weather but brushing it off as just a cold, you might consider taking a flu test.
The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.
Doctor's visits for flu symptoms are at a 15-year high. Why is this flu season so bad? Doctors discuss flu severity, symptoms and how to stay safe.
Cases of the seasonal flu in the U.S. have reached their highest numbers in more than a decade, according to the Centers for Disease Control and Prevention.