bioRxivGenomicsPreprint
Transcontinental Spread of HPAI H5N1 from South America to Antarctica via Avian Vectors
Xu RuifengiD, Gao Minhao, Zhang Nailou, Wei Zhenhua, Wang Zheng, Lei ZhangiD, Yang LiuiD, Zheng Zhenhua, Chen Liulin, Ding HaitaoiD, Wei WangiD
Abstract
Our study has for the first time identified H5N1 strains (clade 2.3.4.4b, genotype B3.2) in brown skuas from the Fildes Peninsula, South Shetland Islands, Antarctica. These findings indicate that highly pathogenic avian influenza H5N1 viruses is now actively circulating in Antarctic ecosystems, representing a significant expansion of its geographic range.
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