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

Subclade K, which is circulating in Arizona, has been dubbed a 'super flu' but some experts say that's not an accurate ...

Nearly 9,000 flu cases reported in New Jersey as of the week ending Jan. 3. Here’s what to know about the H3N2 epidemic.

A variant of influenza A, H3N2, is spreading across the U.S., with low vaccination rates contributing to infection rates.

The H3N2 is a new strain of influenza A. The symptoms are described as more intense and contagious than typical seasonal flu.

Have you been sick since the new year started? You're not alone; here's what to know about new H3N2 flu strain and its ...

H3N2 super flu symptoms, risks and what to expect explained by two doctors. Discover how long the flu is contagious for and ...

Australia’s 2025 flu season lasted weeks longer than it normally does. Hong Kong’s hit so early that the rollout of seasonal ...

A new flu strain has been detected, with the variant dubbed influenza A subclade K. How severe is the strain and does the ...

This year's flu season is shaping up to be particularly brutal. Here's what to know this week, including cases taking a ...

The U.S. is facing its worst flu season in 25 years, according to the Centers for Disease Control and Prevention, which ...

Flu hospitalizations are increasing across California, with projections showing further rises in the coming weeks, state ...