H3N2 flu variant explained: Cases surge across US and Canada, …
4 days ago · H3N2 flu variant explained: Cases surge across US and Canada, here’s what to know H3N2 is a subtype of influenza A, one of the main categories of seasonal flu viruses that …
'Super Flu' cases are rising. See symptoms, how to stay healthy
1 day ago · What are the symptoms of super flu? Symptoms associated with H3N2 are similar to those of other influenza viruses and include:
Super Flu Variant H3N2: Symptoms, Treatment, and Vaccine
1 day ago · The “super flu” is a variant of influenza A H3N2 called subclade K. Historically, similar variants have caused more severe disease and taken longer to recover from.
New Variant Raises Concerns of Another Bad Flu Season
Dec 17, 2025 · The main version of flu spreading in the United States right now is H3N2 subclade K. H3N2 is a common strain, but the specific type of it circulating now — subclade K — is …
What to Know About the New H3N2 Flu Strain - JAMA Network
Dec 19, 2025 · This Medical News article discusses a new H3N2 influenza strain, called subclade K, that may lead to a more severe flu season.
What is A/H3N2 K? The flu variant behind 90 per cent of cases
Dec 22, 2025 · What we know about flu variant A/H3N2 K: The strain behind 90 per cent of cases Subclade K of A/H3N2 (formerly known as J.2.4.1) has been detected on all continents
The New H3N2 "Super Flu" Strain: Will Your Flu Shot Protect You?
Nov 25, 2025 · Worried about the new H3N2 flu strain? Learn how it affects flu vaccine protection, key symptoms to watch for and steps to lower your risk.
H3N2 Flu: Symptoms, Diagnosis, Treatment - Verywell Health
Nov 7, 2025 · This article discusses what H3N2 flu is, as well as its symptoms and how it's diagnosed and treated.
Why H3N2 flu feels so intense - Women's Health
Dec 23, 2025 · H3N2 flu is causing severe fatigue and prolonged symptoms this winter. A GP explains the stages of illness, recovery timeline and warning signs.
A new flu strain is spreading abroad. What that means for the US.
Nov 21, 2025 · A new variant of influenza H3N2 is spreading in other countries. But that could mean the U.S. is in for a rough flu season.