Partial CDC data suggest that influenza deaths may have already reached as high as 2% of deaths for the week ending on Feb. 1 ...

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

A new strain of bird flu has infected a dairy worker in Nevada, marking the first cow-spread case, the CDC has reported.

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 ...

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

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

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

The United States is seeing a second peak in flu cases this season. After doctor’s office visits for flu dipped early this ...

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 ...