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

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

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

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 ...

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

influenza type A and influenza type B. Data from the Centers for Disease Control and Prevention shows seasonal flu activity continues to increase across the country, with influenza A accounting ...

Two subtypes are typically at play each flu season: influenza type A and influenza type B. Data from the Centers for Disease Control and Prevention show that seasonal flu activity continues to ...