CDC data show flu hospitalizations at their highest level for this point in the season since 2010-11.

Louisiana and Hawaii are reporting "moderate" levels of activity.

The beginning of fall and back-to-school time means cold virus season has arrived. Usually, colds hit as lesser-evil ...

A G155E-mutated H1N1 strain is driving an early U.S. flu surge. Early data suggest the updated vaccine still offers ...

Flu season usually doesn't kick off until winter – but 2026 seems to be a different story. Here's what to know about dealing ...

California flu test rate at 9.65%, higher than normal 1% rate for early October, amid mutation of H1N1 influenza A strain ...

Flu season is picking up months ahead of schedule with a mutated virus spreading in some parts of the United States.

An early start to the season doesn't necessarily mean it'll be a more severe one than usual, according to health professionals. Iparraguirre Recio via Getty Images Every year, autumn brings gorgeous ...

The predominant flu strain this year is H1N1, which caused the 2009 swine flu pandemic and is now a standard part of the flu ...

Doctors in the Chicago area are urging people to get their flu shot now as cases start to ramp up, with flu season starting ...