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 …
"Super flu" surge: What to know about the "Super K" variant
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 …
New K Variant Flu Outbreak: Symptoms, Risks, and Vaccine …
10 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 …
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 …
'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 …
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.