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

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

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

The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most ...

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

Nationwide hospitalizations, outpatient visits and even deaths from the flu are trending upwards, according to CDC data. The ...

New Mexico, Texas and Nebraska are among the states with the highest number of people showing flu-like symptoms.

According to data from SHW, 196 students tested positive for Flu A at SHW between Jan. 1 and Feb. 2 this year, an increase of ...

Flu cases soar across the US; Sacramento sees highest flu-related medical visits since 2009. Learn prevention tips and why vaccination rates matter.

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