The flu season is hitting in full force, especially in New York, Colorado and Louisiana, where flu-like activity is very high ...

Flu symptoms typically lasts at least five days and up to two weeks. Some symptoms, like a cough, may persist even longer ...

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

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

Cases of the flu continue to mount with health officials recently recording the first pediatric flu-related deaths of the ...

At least 14 states and Washington, DC, are seeing high and very high levels of flu, mainly caused by a surprise new influenza ...

As of Dec. 19, the Southeastern, Southern, and Mid-Atlantic regions of the U.S. are experiencing an increase of emergency ...

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

Flu season is ramping up across the country, with several states now experiencing severe or rising levels of illness, and a ...

A novel influenza variant called subclade K appears to be driving an uptick in cases and hospitalizations throughout the U.S.

Flu-like activity is up in some parts of the United States, according to the Centers for Disease Control and Prevention.The ...