Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus in Wild Birds, Chile.

Publisher:
Centers for Disease Control and Prevention (CDC)
Publication Type:
Journal Article
Citation:
Emerg Infect Dis, 2023, 29, (9), pp. 1842-1845
Issue Date:
2023-09
Full metadata record
In December 2022, highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus emerged in Chile. We detected H5N1 virus in 93 samples and obtained 9 whole-genome sequences of strains from wild birds. Phylogenetic analysis suggests multiple viral introductions into South America. Continued surveillance is needed to assess risks to humans and domestic poultry.
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