Highly pathogenic avian influenza A(H5N1) virus infection in farmed minks, Spain, October 2022

Agüero, Montserrat; Monne, Isabella; Sánchez, Azucena; Zecchin, Bianca; Fusaro, Alice; Ruano, Marı́a José; Arrojo, Manuel del Valle; Fernández-Antonio, Ricardo; Souto, Antonio Manuel; Tordable, Pedro; Cañás, Julio; Bonfante, Francesco; Giussani, Edoardo; Terregino, Calogero; Orejas, Jesús Javier

doi:10.2807/1560-7917.es.2023.28.3.2300001

articleEurosurveillanceJan 19, 2023DIAMOND OA

Highly pathogenic avian influenza A(H5N1) virus infection in farmed minks, Spain, October 2022

MAMontserrat Agüero IMIsabella Monne ASAzucena Sánchez BZBianca Zecchin AFAlice Fusaro

Ministerio de Agricultura, Pesca y Alimentación · Istituto Zooprofilattico Sperimentale delle Venezie · +2 more institutions

PubMed

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Abstract

In October 2022, an outbreak in Europe of highly pathogenic avian influenza (HPAI) A(H5N1) in intensively farmed minks occurred in northwest Spain. A single mink farm hosting more than 50,000 minks was involved. The identified viruses belong to clade 2.3.4.4b, which is responsible of the ongoing epizootic in Europe. An uncommon mutation (T271A) in the PB2 gene with potential public health implications was found. Our investigations indicate onward mink transmission of the virus may have occurred in the affected farm.

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Topics & keywords

Topics

Keywords

Mink
Influenza A virus subtype H5N1
Outbreak
Epizootic
Virology
Highly pathogenic
Biology
Clade

UN Sustainable Development Goals

Good health and well-being

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