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

Cold and flu season has hit full force with cases on the rise. But one of the main questions remains: Can you get the flu ...

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.

Influenza is surging in the U.S., with doctor visits for flu symptoms at a 15-year high. Why is this flu season so bad? Doctors discuss flu trends and prevention.

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

Flu cases are surging across the nation, closing nearly a dozen schools and swamping hospitals in some states. At least 24 ...

The worst flu season in years is swamping California, prompting a renewed surge in hospitalizations as officials warn the ...

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.

So far this flu season, the CDC has reported at least 24 million flu cases in the U.S. That's resulted in around 310,000 hospitalizations and 13,000 deaths. Historically speaking, the month of ...

With respiratory illness season at its peak, the latest CDC data shows a significant rise in flu cases nationwide, while ...