A Food and Drug Administration (FDA) advisory committee on Thursday voted to recommend a new strain of flu in its vaccines for fall. This viral strain of flu is called subclade k. The World Health ...

The vaccine, intended for people 50 and older, is based on mRNA technology and was found in an advanced trial to be more effective than a standard flu shot.

Experts are urging Australians to roll up their sleeves as soon as the 2026 influenza vaccine becomes available, following last year's low vaccine uptake and high caseload. It comes as a fast-moving ...

Doctors recommend getting your flu shot annually, since the specific influenza strain it targets varies from year to year. But what if the shot could be more effective while protecting against more ...

Moderna's mRNA flu vaccine could be approved by August, but federal policy and a nonfunctional advisory committee threaten ...

A new study led by researchers at Washington University School of Medicine in St. Louis has found that an investigational mRNA influenza vaccine helps the immune system recognize a wider range of ...

Health officials say the 2025-2026 flu season’s vaccine offered less protection than usual, as a mutated strain of influenza A dominated cases across the U.S. A strain known as H3N2 “subclade K” ...

NEW YORK -- As the U.S. flu season winds down, health officials say the flu vaccine wasn't very effective, with one of its worst effectiveness rates in more than a decade. A new strain that dominated ...