
Super Flu Variant H3N2: Symptoms, Treatment, and Vaccine
9 hours 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.
'Super Flu' cases are rising. See symptoms, how to stay healthy
13 hours ago · What are the symptoms of super flu? Symptoms associated with H3N2 are similar to those of other influenza viruses and include:
H3N2 flu variant explained: Cases surge across US and Canada, …
3 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 …
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.
A new flu strain is quickly spreading. How to stay healthy.
Dec 17, 2025 · What is the new flu strain? Subclade K (previously called A (H3N2) virus subclade J.2.4.1) is a mutation of influenza A H3N2. Influenza A is typically the virus associated with the …
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
“Superflu” or same old flu? How subclade K influenza is playing …
Dec 19, 2025 · A fast-spreading strain of influenza A (H3N2), known as subclade K, has fuelled headlines warning of a possible “superflu”. The reality is more nuanced, scientists say.
New Flu Symptoms Raise Alarm As ‘Aggressive’ Strain Spreads …
3 days ago · A newly identified flu strain that spreads easily and causes more severe illness is driving infections this season. The strain, a mutated form of influenza A H3N2 known as …
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.