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What Is the K Subclade Flu Variant? Why a Mutated H3N2 Strain Is Driving a Severe US Flu Season

Summary by BreezyScroll
As winter sets in across the United States, health officials are sounding the alarm over a sharp rise in flu cases driven by a mutated strain of influenza A(H3N2), known as subclade K. The variant has already fueled early and severe flu seasons in parts of Asia, Australia, and Europe—and experts say the US may now be following the same trajectory. Data from the US Centers for Disease Control and Prevention (CDC) show that flu activity crossed th…
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La Paz, Dec 12, 2025 (ATB Digital) .- In the face of the alarming increase in H3N2 influenza subclad K in the world, pediatrician Marcelo Jover affirmed the importance of vaccination, but reinforcement, who should receive the anti-influenza dose? The specialist mentions that the risk groups, among them, are: elderly people and minors. Jover revealed that the symptoms of H3N2 flu are common to that of an influenza. However, this is integrated wit…

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BreezyScroll broke the news in on Wednesday, December 17, 2025.
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