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

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 ...

Flu cases are surging across the country – more than half of states are now at "very high" levels, the most severe ...

The actor, 30, posed energetically with his trophy after being honoured with the Best Take Over Performance award for his ...

In a breakthrough for influenza research, scientists have discovered immune cells that can recognize influenza (flu) viruses ...

A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new ...