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The Winners Take It All? Global Evolutionary Success of H5Nx Reassortants in the 2020–2024 Panzootic

2025-07-23

Abstract excerpt

Avian influenza viruses undergo frequent genetic reassortment, which can coincide with phenotypic changes in transmission, pathogenicity, and host species niche. Since 2020, clade 2.3.4.4b H5 high pathogenicity avian influenza viruses (HPAIVs) have driven a global panzootic, causing mass mortality in wild birds, poultry, and, for the first time, repeated spillover infections in a variety of mammalian species. This...

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Literature Corpus work: 6bb49b50-e76c-5fd9-b15d-7fea24dc0c23
DOI: 10.1101/2025.07.19.665680

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