A mutated strain of the flu is surging worldwide, sparking concerns about a severe flu season in the U.S. Here's what to ...

There are reports of this strain of the flu causing more severe illness, and early data suggest that protection against the ...

The United States may be heading into its second severe flu season in a row, driven by a mutated strain called subclade K ...

A mutated strain of Influenza H3N2 virus known as subclade K is spreading in the United States. A doctor breaks down what to ...

Last winter, for the first time since Covid-19 entered our world, influenza reclaimed its spot as the worst actor among the ...

The idea that you can get the flu from the flu vaccine is a long-standing fallacy. Here’s what to tell someone who thinks ...

Learn how long the flu lasts, what symptoms occur at every stage, and what you can do to feel better and lower the risk of ...

The variant is known as influenza A subtype H3N2 subclade K–sometimes called “subclade K” for short—and it has been detected ...

Health experts warn this flu season could be unusually severe, with early spread and concerning H3N2 strain activity across ...

What is the H3N2 flu strain? Symptoms you need to look out for as UK cases surge - Health bosses are warning this winter ...

Vaccine mismatches may raise severity risks this flu season. Low vaccination uptake increases overall flu transmission ...