Flu Season 2025: Surge in Cases and Rapid 'Super K' Variant Spread

TL;DR Summary
This flu season is worsening with nearly five million cases in the US, driven by a new variant called subclade K, with symptoms coming on faster and more intensely, especially in children. Vaccination is still recommended, and early testing and antiviral treatment can help reduce severity. Health officials advise preventive measures like handwashing and disinfecting to curb spread, as flu activity varies across states.
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- The flu is surging in NYC. Here’s what to do if you're sickened. Gothamist
- NY reports highest weekly flu cases in over two decades RiverheadLOCAL
- Bad flu season getting worse; skyrocketing cases set state record USA Today
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