The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

It's flu season, but not all influenza is the same. If you're feeling sick, it helps to know the difference between flu A and ...

Data from the Centers for Disease Control and Prevention shows seasonal flu activity continues to increase across the country ...

Influenza B viruses, however, only circulate in humans ... If you do get sick with the flu, the most common symptoms include a sudden onset of fever, chills, muscle aches, fatigue and respiratory ...

While we often refer to it as "the flu," the influenza virus has several strains. Here's what to know about the two most ...

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

Doctor visits for flu symptoms are at a 15-year high. Why is this flu season so bad? Doctors discuss flu trends, symptoms and ...

But what does it mean to have a flu A or flu B season? Do these types of flu have different symptoms? And does one cause more severe illness than the other? Experts have been studying influenza ...

“Influenza A typically causes worse symptoms compared to influenza B, and patients are more likely to get hospitalized with ...

But what does it mean to have a flu A or flu B season? Do these types of flu have different symptoms? And does one cause more severe illness than the other? Experts have been studying influenza ...