Emergence and rapid dissemination of highly pathogenic avian influenza virus H5N1 clade 2.3.4.4b in wild birds, Chile

Naomi Ariyama,Catalina Pardo-Roa,Gabriela Muñoz,Carolina Aguayo,Claudia Ávila,Christian Mathieu,Barbara Brito,Rafael Medina,Magdalena Johow,Victor Neira

bioRxiv (Cold Spring Harbor Laboratory)（2023）

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摘要

In December 2022, HPAI H5N1 clade 2.3.4.4b emerged in Chile. We detected the virus in 93 wild bird samples and sequenced the whole genome of nine Chilean strains from pelicans and gulls. Phylogenetic analysis suggests at least two different HPAI viral clusters in South America. ### Competing Interest Statement The authors have declared no competing interest.

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关键词

avian influenza,wild birds

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