Rapid mortality in captive bush dogs ( Speothos venaticus ) caused by influenza A of avian origin (H5N1) at a wildlife collection in the United Kingdom

Europe has suffered unprecedented epizootics of high pathogenicity avian influenza (HPAI) clade 2.3.4.4b H5N1 since Autumn 2021. As well as impacting upon commercial and wild avian species, the virus has also infected mammalian species more than ever observed previously. Mammalian species involved i...

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Bibliographic Details
Published in:	Emerging microbes & infections Vol. 13; no. 1; p. 2361792
Main Authors:	Falchieri, Marco, Reid, Scott M, Dastderji, Akbar, Cracknell, Jonathan, Warren, Caroline J, Mollett, Benjamin C, Peers-Dent, Jacob, Schlachter, Audra-Lynne D, Mcginn, Natalie, Hepple, Richard, Thomas, Saumya, Ridout, Susan, Quayle, Jen, Pizzi, Romain, Núñez, Alejandro, Byrne, Alexander M P, James, Joe, Banyard, Ashley C
Format:	Journal Article
Language:	English
Published:	United States Taylor & Francis 01-12-2024 Taylor & Francis Group
Subjects:	Animals Animals, Wild - virology Avian influenza bush dogs Canidae conservation species Emerging Seasonal and Pandemic Influenza Infections H5N1 Influenza A Virus, H5N1 Subtype - genetics Influenza A Virus, H5N1 Subtype - isolation & purification Influenza A Virus, H5N1 Subtype - pathogenicity Influenza in Birds - mortality Influenza in Birds - transmission Influenza in Birds - virology Orthomyxoviridae Infections - mortality Orthomyxoviridae Infections - transmission Orthomyxoviridae Infections - veterinary Orthomyxoviridae Infections - virology systemic infection terrestrial carnivores United Kingdom - epidemiology United Kingdom Avian influenza H5N1 systemic infection conservation species high pathogenicity terrestrial carnivores zoonotic assessment bush dogs
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Summary:	Europe has suffered unprecedented epizootics of high pathogenicity avian influenza (HPAI) clade 2.3.4.4b H5N1 since Autumn 2021. As well as impacting upon commercial and wild avian species, the virus has also infected mammalian species more than ever observed previously. Mammalian species involved in spill over events have primarily been scavenging terrestrial carnivores and farmed mammalian species although marine mammals have also been affected. Alongside reports of detections of mammalian species found dead through different surveillance schemes, several mass mortality events have been reported in farmed and wild animals. In November 2022, an unusual mortality event was reported in captive bush dogs ( ) with clade 2.3.4.4b H5N1 HPAIV of avian origin being the causative agent. The event involved an enclosure of 15 bush dogs, 10 of which succumbed during a nine-day period with some dogs exhibiting neurological disease. Ingestion of infected meat is proposed as the most likely infection route.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 Supplemental data for this article can be accessed online at https://doi.org/10.1080/22221751.2024.2361792.
ISSN:	2222-1751 2222-1751
DOI:	10.1080/22221751.2024.2361792