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

With data showing a significant rise in flu cases nationwide, medical experts are describing it as the worst flu season since ...

Flu activity is at its highest level since 2009, forcing school closures and overwhelming hospitals across the U.S.

The CDC estimated there have been 24 million cases of the flu so far this season, leading to 310,000 hospitalizations and ...

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

For millions of children with Type 1 diabetes, the flu can quickly escalate into a life-threatening condition called diabetic ketoacidosis.

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

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

A Kentucky child who was unvaccinated for influenza has died from the flu, the Kentucky Department for Public Health ...

The Carolinas are dealing with very high flu numbers as both states rank among the highest in the country. Doctor’s say it’s ...

Flu cases had previously peaked this season at the very end of December. At week 52 —ending on December 28—the percentage of ...

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.