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

Are people at risk for bird flu? How can I protect myself? Bird flu’s risk for the general public is still low, with no signs ...

Flu cases are surging across the country – more than half of states are now at "very high" levels, the most severe ...

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

RSV, respiratory syncytial virus, usually peaks in December and January while infecting the nose, throat and lungs, usually ...

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

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

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

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.

A Nevada dairy worker has tested positive for a newly identified strain of bird flu, sparking concerns about potential cow-to ...

Respiratory illnesses have left thousands of Kentuckians sick and others dead. Here are the latest numbers and what you can do to say healthy.