Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, according to the Centers from Disease Control and Prevention.

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

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...

Flu infections are at or near their highest levels in at least 15 years and are still rising, the Centers for Disease Control and Prevention says.

Most of Trump’s health picks are uninterested in using most of the tools that can limit the spread of infectious disease.

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

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

Influenza is surging in the U.S., with doctor's visits for flu symptoms at a 15-year high. Why is this flu season so bad?

"We're seeing increasing rates of influenza,” Dr. Dean Blumberg, professor and chief of Pediatric Infectious Diseases at UC ...

The CDC confirmed a case of a new strain of bird flu in a dairy worker who contracted the virus from infected cows on a ...

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