The newer strain had been seen before in more than a dozen people exposed to poultry, but this is the first time an infection ...

Influenza A — a nasty flu strain that fueled the 2009 flu epidemic — has been landing Ohioans in the hospital since the ...

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

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

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

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

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 ...

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 ...

Last year there were 207 pediatric deaths attributed to the flu, NBC News reported. The CDC said the number of cases is ...