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

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

Officials say this particular strain of the flu is both contagious and strong.

Low vaccination rates may also be contributing to this year’s sick season. As of late January, U.S. vaccine uptake was well ...

Flu season typically ends in May, which means it isn’t too late for a flu shot. (Just remember that it takes a couple of ...

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

Says a pediatric infectious disease physician, “Our expectation is that we’re going to have several more weeks yet of a lot of people being sick.” ...

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.

RALEIGH, N.C. (WTVD) -- New data from North Carolina Department of Health and Human Services (NCDHHS) showed that two children and 56 adults died from the flu since last week. The two children who ...

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

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