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

Former CDC Chief Medical Officer and Deputy Director, Dr. Debra Houry, talks to CNN about rising flu cases across the country ...

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

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

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

Current data from the CDC suggests the H3N2 strain and subvariant K — the dominant subvariant in the U.S. — are more ...

Doctors have seen a spike in flu cases in Tennessee, and the CDC has upgraded the state’s flu activity from low to moderate.

Masonboro Family Medicine is dealing with a stream of flu patients, with dozens of cases arriving daily as influenza A ...

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

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

As the Holiday season comes to a end, according to the CDC, the seasonal activity of the Flu continues to rise throughout the ...

Flu season has hit early and hard in the East, with New York experiencing a record number of cases of the viral respiratory illness. The state’s health department reported that 71,123 influenza cases ...