A new flu variant called subclade K is gaining attention as doctors warn it could lead to a tougher flu season this winter.

Experts are warning of a new flu outbreak as we head into winter. Why it matters: The new strain, a variant of H3N2, emerged ...

As we get deeper into flu season, a new type of the influenza virus has been identified, the Centers for Disease Control and Prevention confirms.

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

Flu activity low but rising nationwide with increased hospitalizations and outpatient visits, especially among children, CDC data shows.

H3N2 flu cases are tripling in some countries as a new version with seven mutations spreads worldwide. US data remains ...

A new H3N2 flu variant could bypass vaccine immunity, raising concerns for a rougher flu season as holiday travel begins and ...

This week is National Influenza Vaccination Week, and the American Lung Association today announced a campaign urging everyone six months and older to get their annual flu shot, following one of the ...

While flu levels are still low, a strain that has wreaked havoc in the U.K. and Canada is behind most cases so far in the U.S ...

To kick off National Influenza Vaccination Week (December 1 - 6), the American Heart Association®, American Lung Association®, American Diabetes Association® (ADA) and National Foundation for ...

Flu season tends to peak from December to February. What to know about getting a flu shot or COVID-19 vaccine.