'Super flu' cases rising across US: What to know

'Super flu' cases rising across US: What to know

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'Super flu' cases rising across US: What to know
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.

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Sophie Clearwater

Vancouver-based environmental journalist, writing about nature, sustainability, and the Pacific Northwest.

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