The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

Flu season is in full swing, and the rising number of illnesses has closed some schools temporarily, and forced others into ...

Arkansas is battling flu season, with the Arkansas Department of Health reporting 30 flu-related deaths.One of those deaths ...

South Carolina is one of a handful of states with the highest number of flu cases in the United States, according to data ...

With respiratory illness season at its peak, the latest CDC data shows a significant rise in flu cases nationwide, while ...

Flu season in the U.S. is the most intense it has been in 15 years. Overall, 43 states reported high or very high flu ...

One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like symptoms. Last week, that number ...

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

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

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...