Article
Assessing HPAI-H5 transmission risk across wild bird migratory flyways in the United States.
Nature communications - 9 Feb 2026
Fang Kang, Li Jiahui, Zhao Hongfeng, Bahati Jiangshaya, Zhao Zeyu, Song Wentao, Chen Tianmu
Abstract excerpt
As natural hosts of avian influenza viruses, wild birds pose an increasing threat to public health. Here, using surveillance data from wild bird infections across the United States (2022-2025), we show that HPAI-H5 transmission exhibits strong interspecific variation, seasonality, and spatial heterogeneity linked to migratory flyways. Phylogeographic analysis reveals that viral genotypes evolve from early,...
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