As we get deeper into flu season, a new type of the influenza virus has been identified, the Centers for Disease Control and Prevention confirms.

The U.S. may be in for yet another rough flu season ...

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

Learn the key symptom differences between flu strains, which is more dangerous, and how the vaccine protects you from both ...

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

A new flu variant, 'subclade K' of H3N2, is driving a surge in cases globally, prompting concerns during the holiday season.

The mutated strain, known as subclade K, is causing a surge in cases in the United Kingdom, Canada, and Japan. Here's what to know.

Although the current flu vaccine may not be a perfect match for the new subclade K strain, the CDC and doctors say the best ...

The emergence of the H3N2 variant has led experts to warn that this flu season could be particularly severe.

A variant of the of the H3N2 virus, subclade K has sparked concern among the global infectious disease community. Here’s what ...

A new type of seasonal flu virus is raising concerns among health officials as winter approaches. Here's what to know about ...

The states top public health official joined GBH's Morning Edition to discuss the flu subtype H3N2, and how you can protect ...