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

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

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

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 ...

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 ...

This flu season has been particularly bad for children, with many experiencing severe complications such as pneumonia, ...

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 ...

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 ...

The United States is currently facing the worst flu season in over 15 years, with cases surging in most states. Over 33 million Americans have gotten sick this season so far, and elevated flu ...

This flu is at or close to the national record for the past 15 years, and rates are climbing. See how Walgreens health data ...