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

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 ...

U.S. medical services providers are seeing the greatest numbers of flu cases since the 2009-2010 flu season, the Centers for Disease Control and Prevention announced on Friday.

Federal health officials say a dairy worker in Nevada has been infected with a new type of bird flu that’s different from the ...

Cases of the seasonal flu in the U.S. have reached their highest numbers in more than a decade, according to the Centers for Disease Control and Prevention.

It's not uncommon for February to have a spike in flu cases, but this year, there are significantly more cases than average.

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

The flu vaccine is developed using data monitored from around the world to predict what the most common strain will be. The ...

The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests reported to the ...

A second subtype of H5 bird flu, known as D1.1, was detected in dairy cattle and infected one worker in the US state of ...

A dairy worker in Nevada was infected with a new type of bird flu that’s different from the version that has been spreading ...