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Emerg Infect Dis . Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus in Poultry, Benin, 2021

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    Emerg Infect Dis . Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus in Poultry, Benin, 2021


    Emerg Infect Dis


    . 2022 Dec;28(12):2534-2537.
    doi: 10.3201/eid2812.221020.
    Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus in Poultry, Benin, 2021

    Idrissa Nonmon Sanogo, Fidelia Djegui, Yao Akpo, Corneille Gnanvi, Gabriel Dupré, Adam Rubrum, Trushar Jeevan, Pamela McKenzie, Richard J Webby, Mariette F DucatezFree article

    Abstract

    In August 2021, we detected highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b viruses in poultry in southern Benin. The isolates were genetically similar to H5N1 viruses of clade 2.3.4.4b isolated during the same period in Africa and Europe. We also found evidence for 2 separate introductions of these viruses into Benin.

    Keywords: Benin; H5N1 subtype; One Health; antigenic cartography; genetic characterization; highly pathogenic avian influenza; influenza; phylogenetic analysis; poultry; respiratory infections; viruses; zoonoses.



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