Most people won’t notice anything different this flu season. Scientists, however, believe this moment could influence vaccine ...

Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to keep growing with holiday travel. That variant, known as “subclade K,” led to early ...

(NEXSTAR) – The flu is once again spreading far and wide. The Centers for Disease Control and Prevention announced Friday there was a 19% rise in people testing positive for influenza in the most ...

The FDA approved Moderna’s mFlusiva, America’s first mRNA flu vaccine, for adults 50 and older. Here’s how its approval and effectiveness differ by age.

A fast-moving influenza strain nicknamed the "Super-K" flu is catching the attention of scientists and health authorities. Subclade K, a branch of the H3N2 influenza family, has appeared much ...