A mutated strain of influenza A, H3N2 subclade K, is surging worldwide, sparking concern about a severe flu season in the U.S. Here's what to symptoms to look out for.

Flu season is not over yet, experts warn. Is there a second wave coming? Here's how to protect yourself as influenza keeps spreading.

The super flu strain is spreading widely around the country. The nation’s hospitalization rate went up by 14.3 % as of Friday, according to the Centers for Disease Control and Prevention. Public ...

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.

Flu activity remains elevated across Tennessee, with parts of East Tennessee reporting some of the highest levels of ...

Flu cases are surging across the United States, with 32 states and jurisdictions reporting high or very high activity. A new influenza strain, Subclade K or "super flu," has emerged, though it has not ...

It's not easy to tell these health conditions apart based on their symptoms alone. Find out about the differences between these illnesses.

Add Yahoo as a preferred source to see more of our stories on Google. The new flu variant, H3N2 subclade K, is a mutation of the common flu A subtype, which is often the flu "going around" come late ...

Everyone's home for the holidays — and so are the germs. It's possible sickness could be knocking on the door along with your party guests. It's cold and flu season, and common winter illnesses such ...