While we often refer to it as "the flu," the influenza virus has several strains. Here's what to know about the two most ...

The flu just won’t quit this year. The virus seemed to peak after the December holidays in Massachusetts, headed back down, ...

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

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

Cold and flu may seem alike, but knowing their key differences can prevent serious health risks. Learn how to recognize and ...

Indiana is seeing "very high" rates of influenza activity in emergency rooms, urgent care centers and primary care offices ...

The U.S. has seen earlier and more intense surges of the flu and RSV this year than is typical, pediatrician Dr. Ryan Fulton ...

Doctor visits for flu symptoms are at a 15-year high. Why is this flu season so bad? Doctors discuss flu trends, symptoms and ...

Flu cases are surging this winter—this season is no joke. New data from the Centers for Disease Control and Prevention ...

The first case of bird flu in a human in Ohio has been reported, according to officials. A farm worker from Mercer County, ...