Subclade K has become the dominant form of flu and is slightly different from the virus targeted by this year’s flu vaccine.

Flu activity is increasing across the U.S. amid holiday travel and gatherings, according to the latest data from the CDC.

As flu cases are surging across the United States, here's what to know about whether or not you can still get the vaccine.

NASHVILLE, Tenn. (WSMV) - Flu cases have doubled over the past month as a new aggressive strain spreads across the country, ...

Were you or a loved one sick over the holidays? Here's what to know about new influenza variant and how to stay healthy ...

The “super flu” is a variant of influenza A H3N2 called subclade K. Historically, similar variants have caused more severe ...

Medical facilities across ENC are witnessing a sharp spike in flu cases, some even seeing a nearly 3000% increase.

Wisconsin health officials warn flu cases are climbing, fueled by a new strain and holiday gatherings, as doctors urge ...

During flu season in Alabama, emergency department visits were up 101 percent less than two weeks ago according to the ...

The flu season is off to an active start, and cases are likely to surge higher after the holiday season. Just a third of ...

An aggressive flu strain is spreading across Wisconsin, forcing some to cancel holiday plans and leaving people like the ...

Health experts continue to recommend vaccination as one of the most effective ways to reduce the risk of serious illness, ...