The body aches, fever and tiredness that the flu causes come on one to four days after being exposed to the virus. Ika84 via ...

Colorado is in the midst of what could end up as the state’s worst flu season in at least 20 years. “For right now, it looks ...

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

The Oregon Health Authority said it is seeing its worst flu season since the agency began tracking the virus 15 years ago.

This is higher than the peak of 18.2% last flu season but lower than the 31.4% recorded over the previous two weeks. STOCK PHOTO/Getty Images The CDC estimates there have been at least 33 million ...

It’s been more than four weeks since Gary and Mary O’Hara lost their son, Army Staff Sgt. Ryan O’Hara, in the midair crash ...

This year’s harsh flu season has federal health officials trying to understand if it sparked an increase in a rare but life-threatening brain complication in children. Getty Images Still ...

There are two players every flu season: influenza Type A and Type B. Influenza A tends to pop up early in the season and accounts for more than 75 percent of all cases, while influenza B typically ...

Across the state, many emergency rooms are dealing with the surge in flu cases. The U.S. Centers of Disease Control and ...

By some measures, this year’s flu season is the worst in 15 years. The Centers for Disease Control and Prevention has recorded at least 24 million cases of influenza and 310,000 hospitalizations ...