It’s not totally clear why flu is hitting so hard this year. One possibility is that it got off to a late start, so the ...

The flu season has reached its peak, according to new data from the Atlanta-based CDC. This comes just weeks after CDC data ...

The worst flu season the United States has had in more than a decade may have reached its peak, according to the US Centers ...

A look at the numbers behind peak flu season during the month of February, as the CDC estimates there have been nearly 29 million cases in the U.S. since the fall. ABC News medical correspondent ...

One of the worst flu seasons in years has reached its peak and is improving, officials with the Centers for Disease Control ...

Wisconsin has seen one of its worst flu seasons in the past decade. Here's what DHS data says about cases statewide.