Article

Loss of hemagglutination ability by H3N2 influenza A virus, subclade K

2026-07-20

Abstract excerpt

Seasonal human H3N2 influenza viruses, subclade K (J.2.4.1), have been the predominant influenza A viruses in the Northern hemisphere influenza season of 2025/2026. Since 2024, the vaccine virus A/Darwin/6/21 has emerged in different antigenic variants. Antigenic changes are frequently caused by amino acid substitutions near the hemagglutinin (HA) receptor-binding pocket, which can also affect receptor binding pro...

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Literature Corpus work: 0226d0ac-b859-5d9d-a9b2-810416dd9e73
DOI: 10.64898/2026.07.20.739523

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