Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated ...

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

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the ...

NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

U.S. medical services providers are seeing the greatest numbers of flu cases since the 2009-2010 flu season, the Centers for ...

It's flu season, but not all influenza is the same. If you're feeling sick, it helps to know the difference between flu A and ...

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic ... amid this winter's second wave of the virus. Close to 8% of visits for ...

Flu cases had previously peaked this season at the very end of December. At week 52 —ending on December 28—the percentage of ...

Flu activity is at its highest level since 2009, forcing school closures and overwhelming hospitals across the U.S.

Flu cases are surging across the country – more than half of states are now at "very high" levels, the most severe ...