https://abc7.com/post/flu-season-2025-subclade-variant-known-super-showing-fast-symptoms-amid-holiday-gatherings/18330848/
Flu season 2025: Subclade K variant known as 'Super K' showing fast flu symptoms amid...
subclade k variantflu season
https://www.everydayhealth.com/infectious-diseases/flu-spikes-surprise-new-virus-variant-drives-up-cases/
Flu Is Beginning to Hit the U.S. Hard Driven by Influenza A Variant Subclade K
Dec 22, 2025 - At least 14 states and Washington, DC, are seeing high and very high levels of flu, mainly caused by a surprise new influenza mutation called subclade K.
flubeginninghitharddriven
https://www.india.com/health/us-braces-for-tough-flu-season-as-subclade-k-variant-spreads-rapidly-8241250/
US braces for tough flu season as subclade K variant spreads rapidly
US braces for tough flu season as subclade K variant spreads rapidly
subclade k variantflu season