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Unexpected Delayed Incursion of Highly Pathogenic Avian Influenza H5N1 (Clade 2.3.4.4b) Into the Antarctic Region
Journal article   Open access   Peer reviewed

Unexpected Delayed Incursion of Highly Pathogenic Avian Influenza H5N1 (Clade 2.3.4.4b) Into the Antarctic Region

Simeon Lisovski, Anne Günther, Meagan Dewar, David Ainley, Fabián Aldunate, Rodrigo Arce, Grant Ballard, Silke Bauer, Josabel Belliure, Ashley C. Banyard, …
Influenza and Other Respiratory Viruses, Vol.18(10)
17/10/2024
PMID: 39420513

Abstract

H5N1 Antarctica Migratory birds
The current highly pathogenic avian influenza H5N1 panzootic is having substantial impacts on wild birds and marine mammals. Following major and widespread outbreaks in South America, an incursion to Antarctica occurred late in the austral summer of 2023/2024 and was confined to the region of the Antarctic Peninsula. To infer potential underlying processes, we compiled H5N1 surveillance data from Antarctica and sub-Antarctic Islands prior to the first confirmed cases.
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