Data from the Centers for Disease Control and Prevention shows seasonal flu activity continues to increase across the country ...

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

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

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

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.

NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

The flu vaccine benefits you by protecting you and the people you live with or spend significant time around. Everyone 6 ...

Schools around the U.S. are closing due to surges of flu and other illnesses which are sickening students and staff. Here's ...

Dr. James Lederer, chief medical officer for Berkshire Health Systems, says we’re seeing the beginning, not the end, of an ...

In San Diego County, nearly 80 percent of 5- to 17-year-olds have not received this flu season’s vaccine, said interim public ...

Early results from a trial testing a 2009 H1N1 influenza vaccine in children look promising, according to the trial sponsor, the National Institute of Allergy and Infectious Diseases (NIAID), part ...

Over the past 60 years, the influenza virus has continued to drift and shift. In 1968, a shift once again caused a pandemic.