Flu activity in the United States is finally slowing down, but health experts say this year’s flu vaccine didn't offer as ...

As flu cases are surging across the United States, here's what to know about whether or not you can still get the vaccine.

As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well, with one of its worst ...

The US FDA’s vaccine advisors have recommended that three new influenza strains be included in next winter’s influenza vaccine, aiming in part to tamp down illness caused by subclade K, a mutated form ...

(NEXSTAR) – The flu virus is already hitting hard this season as a new variant spreads rapidly, but it’s not too late to protect yourself, experts say. Much of the concern this flu season is coming ...

A new flu strain, a variant of influenza A called H3N2, is spreading across the nation. The CDC estimates millions of illnesses and thousands of deaths from the flu so far this season. While the ...

Interim influenza vaccine effectiveness for the 2025 to 2026 season appears to be lower than in recent influenza seasons, but ...

KBIA's Rebecca Smith after receiving both her COVID-19 booster and flu shot in 2021. Flu season is underway, and while cases are still low in Missouri, medical professionals are watching a variant ...

Add Yahoo as a preferred source to see more of our stories on Google. Last fall’s predicted surge of influenza cases, driven by the new “subclade K” mutation, is hitting U.S. emergency rooms as ...

WASHINGTON (AP) — 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 ...

A fast-spreading new flu strain is gaining a reputation as a monstrous “super flu.” The mutation of influenza A(H3N2) called subclade K is driving up infections across the country, including in New ...