All age groups in the United States are experiencing a "high severity" of influenza cases among all age groups for the first ...

Flu season is in full force in the United States. At least 310,000 flu-related hospitalizations and 13,000 deaths have been ...

Delays in CDC analyses of infectious disease threats and agency silence will harm Americans, doctors and ...

Dr. Michael Reihart, with Penn State Health, also explained who's most at risk for severe illness and how effective this year's vaccine is.

The rate of Americans visiting doctors’ offices for flu-like illness is continuing to reach record levels, new CDC data ...

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

Advice from the head of the Infectious Diseases Society of America: Get a shot and don't censor government data.

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

Millions of people fall ill with the flu every year, and adults age 65 and older are at higher risk of developing serious ...

The US is in the throes an unusually intense and severe flu season, with hospitalization rates topping the levels seen with ...

Avian influenza, or “bird flu,” is a disease caused by influenza A viruses that spread widely among wild birds, and can cause outbreaks in commercial and backyard poultry flocks. Though there ...