Highly Pathogenic Avian Influenza A(H5N1) Viruses from Multispecies Outbreak, Argentina, August 2023
Agustina Rimondi, Ralph Eric Thijl Vanstreels, Valeria Olivera, Agustina Donini, Martina Miqueo Lauriente, Marcela Uhart
Abstract
We report full-genome characterization of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus from an outbreak among sea lions (August 2023) in Argentina and possible spillover to fur seals and terns. Mammalian adaptation mutations in virus isolated from marine mammals and a human in Chile were detected in mammalian and avian hosts.
Topics & Concepts
Influenza A virus subtype H5N1OutbreakHighly pathogenicCladeBiologyVirologyInfluenza A virusVirusAvian influenza virusZoologyPhylogeneticsGeneGeneticsInfluenza Virus Research StudiesRespiratory viral infections research