Doctors say that so far, kids are hit hardest with the flu. The flu shot is helping keep them out of the hospital.

Doctors and scientists say this year's influenza season could be tougher than usual, with a new version of the flu virus, ...

It’s already hit the U.K. and Canada. As if the holiday season wasn’t chaotic enough, the U.S. has been gifted with an early ...

The super flu strain is called subclade K. Early sampling of flu cases show that 90% of influenza A viruses were positive for ...

As millions of Americans hit the road or take to the skies for the holidays, another seasonal traveler is picking up speed: influenza.

Tis the season for getting sick. Here's what to know about the pathogens circulating in the U.S. this December and how to ...

With peak flu season still going on until at least February, signs of the unusual “super flu” variant behind the rising sickness don’t seem to be slowing down anytime soon.

Cases of the flu continue to spike in the U.S., with the most recent data from the U.S. Centers for Disease Control showing a ...

Flu cases are slowly rising in Illinois in the lead-up to holiday gatherings this week, so what should you know before you ...

A new strain called H3N2 subclade K has emerged, raising concerns that the body may not be able to fight it off as well.

The city’s flu surge is happening about a month earlier this year, health officials said. The post Boston health officials ...

It is not yet clear whether the new H3N2 Flu A subclade K subvariant will reduce the efficacy of the flu vaccine this season.