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

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

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

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

Cold and flu may seem alike, but knowing their key differences can prevent serious health risks. Learn how to recognize and ...

Flu A and flu B are two different strains of influenza, explains Thomas Russo, M.D., professor and chief of infectious ...

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 B can be severe as well ... and are most dangerous for babies and the elderly. The flu vaccine is formulated to protect against both types. The dominance of influenza A at this ...

Each flu season, there are two subtypes that are typically at play: influenza type A and influenza type B. Data from the Centers for Disease Control and Prevention shows seasonal flu activity ...