New Mexico, Texas and Nebraska are among the states with the highest number of people showing flu-like symptoms.

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

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

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

Despite the severity of this flu season, vaccination rates have remained consistent with previous years, according to the CDC ...

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

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

The U.S. influenza rate is at or near its highest level in at least 15 years and is still on the rise, the U.S. Centers for ...

The Centers for Disease Control and Prevention resumed publishing its weekly scientific report Thursday after an ...