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

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

Newly released data shows the current U.S. flu season is shattering recent records, topping numbers dating to the early 2000s, when swine flu plagued the country. Numbers released by the Centers ...

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 ...

While H5N1 bird flu ratchets up anxiety and egg prices, seasonal influenza viruses are rallying to a second high this winter, an uncommon course not seen in most years. Flu cases had previously ...

The Georgia school district says that more than 10% of students at each of its schools is sick from the flu or norovirus.

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years. One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like ...