After a sharp uptick in flu cases in mid-December 2025, flu activity across the U.S. and Canada remains high. Subscribe to ...

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

A new flu variant fueling a fast-paced rise in cases across the state has brought with it some symptoms unlike those many ...

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

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

Much of the country is facing record flu cases thanks to a new strain of the virus. And the "subclade K" variant is likely ...

Nuvance Health lists common new flu, or super flu, subclade K symptoms, which mirror many symptoms of the common flu: Fever ...

Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to keep growing with holiday travel. That variant, known as “subclade K,” led to early outbreaks in ...

A new flu variant, subclade K, is driving an uptick in cases across the U.S. and prolonging influenza seasons in other parts of the world.

Reading recalls the subclade-K variant emerged towards the end of Australia and New Zealand's typical flu season, circulating ...

Norovirus, the highly contagious stomach bug that causes vomiting and diarrhea, is surging again. Here's what to expect and how to protect yourself.