Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated ...

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

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

The worst flu season in years is swamping California, prompting a renewed surge in hospitalizations as officials warn the ...

Columbus Regional Health said it has been seeing “consistently high” numbers in hospitalizations — especially for the flu — ...

Flu deaths have surpassed COVID-19 in California for the first time since the pandemic, with concerns over low vaccination rates and a likely severe flu season.

The flu has claimed the life of a child in Tennessee. It’s the first pediatric flu-related death in the state so far this ...

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

Cases of the seasonal flu in the U.S. have reached their highest numbers in more than a decade, according to the Centers for Disease Control and Prevention.

Doctor's visits for flu symptoms are at a 15-year high. Why is this flu season so bad? Doctors discuss flu severity, symptoms and how to stay safe.