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

Influenza is surging in the U.S., with doctor's visits for flu symptoms at a 15-year high. Why is this flu season so bad?

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

For a second time this season, at least 41 states are reporting high or very high levels of the flu. Here's how to stay safe.

The Oklahoma Department of Health encourages Oklahomans to test early when sick and stay home to prevent the spread.

A new variant of the bird flu has infected a dairy worker in Nevada marking the state's first human case of the H5N1 avian ...

Two adults have died from flu in Travis County this season.. COVID-19 is also around, but not at the same rate as flu.

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

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...

Data from the Centers from Disease Control and Prevention on doctors' visits for flu-like symptoms indicate this is the most ...

Schools around the U.S. are closing due to surges of flu and other illnesses which are sickening students and staff. Here's ...

Flu season is here with some other ickiness joining the petri dish party, including allergies, strep, pneumonia, COVID-19 and norovirus.