Although this year’s flu vaccine doesn’t protect as well against the dominant subclade K strain, doctors still say that ...

While vaccines may not fully protect everyone, public health experts say they’re still proven to help prevent serious illness ...

It’s a new flu strain called H3N2 Subclade K or more commonly referred to as “Super Flu.” Experts predict this year’s flu ...

At least 11 million people have gotten sick, and 5,000 people have died from the flu this season, including nine children.

The predicted surge of influenza cases, driven by the new “subclade K” mutation, is hitting Wisconsin emergency rooms.

Americans are being urged to be extra vigilant this winter, as a suite of influenza A mutations has created a dominant virus ...

A highly contagious flu mutation called subclade K is sweeping the nation, raising health concerns about vaccine effectiveness this season. Here are the states at most risk.

New study demonstrates how high-affinity B cells 'bank' their best traits instead of rolling the dice and risking deleterious mutations, with implications for better vaccine design. A vaccine's ...

At least 11 million people have gotten sick, and 5,000 people have died from the flu this season as vaccination rates wane: ...