1 day ago · The K variant of influenza is generating significant concerns due to its high contagiousness and potential negative impact on vulnerable individuals.

2 days ago · Every winter, respiratory viruses, especially influenza, SARS-CoV-2 and RSV, put huge pressure on healthcare systems throughout Europe. In a typical season, flu causes up to 50 million …

1 day ago · In late 2025, an H3N2 subclade K influenza A variant has become the dominant strain in many parts of the Northern Hemisphere — driving an unusually early and intense flu season. …

Nov 21, 2025 · What is K-variant influenza? The ECDC points to the spread of subclade K, a sub-branch of the influenza A (H3N2) virus, as a possible cause of the early season.

Dec 15, 2025 · 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, …

Dec 16, 2025 · New influenza symptoms 2025 explained. Learn early warning signs, unusual symptoms, high-risk groups, and when to seek medical care.

Nov 30, 2025 · What are the symptoms of the new K variant? The K subclade doesn’t appear to cause markedly different symptoms than other types of flu; however, as a subtype of influenza A, its...

4 days ago · Here's what to know about H3N2 subclade K strain, symptoms to watch for, and what to expect this flu season. There are four types of the influenza virus (A, B, C and D) — influenza A and...

5 days ago · Symptoms: similar to the flu but more pronounced From a clinical point of view, the K variant does not change the face of influenza, but tends to make the symptoms more evident. …

Aug 26, 2024 · Flu symptoms usually come on suddenly. People who have flu often feel some or all of these signs and symptoms: some people may have vomiting and diarrhea, though this is more …