Emerging infectious diseasesGenomicsPeer-reviewed journal article
Novel Highly Pathogenic Avian Influenza (A)H5N1 Triple Reassortant in Argentina, 2025
Ralph Eric Thijl VanstreelsiD, Martha I. NelsoniD, María Carolina ArtusoiD, Vanina Daniela MarchioneiD, Luana E. PicciniiD, Estefanía BenedettiiD, Alvin Crespo-BellidoiD, Agostina Pierdomenico, Thorsten WolffiD, Marcela UhartiD, Agustina RimondiiD
Abstract
Genomic sequencing of re-emerging highly pathogenic avian influenza A(H5N1) virus detected in Argentina in February 2025 revealed novel triple-reassortant viruses containing gene segments from Eurasian H5N1 and low pathogenic viruses from South and North American lineages. These findings underscore continued evolution and diversification of clade 2.3.4.4b H5N1 in the Americas.
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