Subclade K (previously known as J.2.4.1) is gaining attention because it appears to be spreading much earlier in the flu ...

After battling the deadly COVID-19 virus for over 5 years, the world is now on the verge of witnessing the rise of another ...

But hundreds of thousands of people globally each year won’t survive their bouts with the flu, and millions more will suffer ...

A ferocious surge of flu cases is linked in part to a variant that has not been dominant in the past few years — resulting in ...

Feeling under the weather? You could have Influenza Type A. Here's the difference between Influenza Type A and Type B.

(NEXSTAR) – Cases of the flu continue to mount, with health officials recently recording the first pediatric flu-related deaths of the season, but some states are seeing much higher activity than ...

Flu season is among us, and a new strain has emerged as a major threat. A mutation of influenza A H3N2, called subclade K, has been detected as the culprit in rising global cases, including in the U.S ...

Flu symptoms are intensifying as 2025 comes to an end, as a new strain spreads worldwide, with health experts warning of a potentially severe season driven by a fast-moving mutation of influenza A.

Despite days in close quarters with flu patients, healthy volunteers didn’t get sick – revealing insights into transmission.

In a striking real-world experiment, flu patients spent days indoors with healthy volunteers, but the virus never spread.