Transcontinental Spread of HPAI H5N1 from South America to Antarctica via Avian Vectors
Xu Ruifeng, Gao Minhao, Zhang Nailou, Wei Zhenhua, Wang Zheng, Lei Zhang, Yang Liu, Zheng Zhenhua, Chen Liulin, Ding Haitao, Wei Wang
The paper identifies H5N1 strains in brown skuas from Antarctica, showing the virus is actively circulating there and expanding its geographic range.
bioRxiv · Sep 6, 2025 · PreprintGenomics