The worker was infected with a type of bird flu that’s different from the version that has been spreading in U.S. herds since ...

A strain of bird flu spreading among dairy cows in Nevada has infected a dairy worker in the state, the Centers for Disease ...

Eleven states are experiencing very high levels of flu and some schools have been closed by the burden on students and staff.

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

Cold and flu season is in full swing. As the months get colder and folks are indoors more often, these respiratory illnesses ...

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

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 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 ...

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

More than 24 million people have had seasonal flu this season, according to estimates from the Centers for Disease Control ...

There have been an estimated 24 million flu illnesses, 310,000 hospitalizations and 13,000 deaths so far this season — but ...