Flu is rising rapidly, driven by a new variant. Here's what to know
5 days ago · Flu is rising rapidly across the U.S., driven by a new variant of the virus. The Centers for Disease Control and Prevention reported Tuesday that after a slow start to flu season in early …
"Super flu" surge: What to know about the "Super K" variant ... - Axios
5 days ago · What to know about the "super flu" Reality check: There isn't an official "super flu." The term emerges every so often, typically when there's a more severe than usual strain of the flu …
New K Variant Flu Outbreak: Symptoms, Risks, and Vaccine Protection ...
9 hours ago · Flu cases are rising rapidly across the US due to a new strain called subclade K, a mutated form of the H3N2 influenza A virus. The variant spreads quickly and may increase the risk of …
Flu is on a major upswing in the U.S., new CDC data shows : Shots
6 days ago · Flu season is off to a rough start this year, according to new CDC data. The virus is spreading faster than in previous years and the surge is likely to get worse. Here's what you need to …
'Super Flu' cases are rising. See symptoms, how to stay healthy
6 days ago · A new strain of influenza has surged across the country during an already busy travel season, with experts worried that low vaccination rates could lead to a significantly brutal flu season.
What Is the ‘Super Flu’ That Is Spreading in the United ... - WIRED
Dec 23, 2025 · The “super flu” behind outbreaks in the US and UK is a new variant of influenza A H3N2, subclade K. Existing vaccines appear to be insufficiently effective against the virus.
Super flu is on the rise: 10 symptoms to watch for with the new flu strain
A more severe and highly contagious new strain of the flu is circulating this season. It's called subclade K, or more popularly "super flu." "This has the potential to be a pretty bad respiratory ...
New 'aggressive' flu strain emerging as health threat: Where it's ...
Dec 26, 2025 · New flu strain emerging as a severe health threat A mutation of influenza A H3N2, called subclade K, is hitting Americans hard this flu season.
Flu season is ramping up, and some experts are "pretty worried"
Dec 22, 2025 · Doctors and scientists say this year's influenza season could be tougher than usual, with a new version of the flu virus, called H3N2, spreading quickly.
Flu is rising rapidly, driven by a new variant. Here's what to know
1 day ago · That H3N2 strain is always harsh, especially for older adults. Subclade K’s mutations aren’t enough of a change to be considered an entirely new kind of flu.