A Surprise Flu Variant Threw Off the Vaccine. Get Ready for a Brutal Winter

November 14, 2025

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1 min read

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Gizmodo

Scientists are warning that this winter's flu vaccine will be less effective against an emerging variant of H3N2 flu named subclade K.

Scientists are sounding the alarm: this winter’s upcoming flu season in North America could be a real nightmare, thanks to the rapid arrival of a variant that doesn’t match well with the seasonal flu vaccine. Health officials in Canada issued the war... [4334 chars]

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Source: Gizmodo

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