A new clade 2.3.4.4b H5N1 highly pathogenic avian influenza genotype detected in Europe in 2021

Despite their widespread distribution, only a single genotype variant of clade 2.3.4.4b H5N1 influenza viruses has been found so far in Europe. Here, we report the detection of a new highly pathogenic avian influenza H5N1 genotype in geese and ducks from a backyard farm in the Czech Republic. Phylog...

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Veröffentlicht in:	Archives of virology 2022-06, Vol.167 (6), p.1455-1459
Hauptverfasser:	Nagy, Alexander, Černíková, Lenka, Stará, Martina
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Avian flu Biomedical and Life Sciences Biomedicine Brief Report Chickens Ducks Europe - epidemiology Genotype Genotype & phenotype Genotypes Infectious Diseases Influenza A Virus, H5N1 Subtype - genetics Influenza in Birds - epidemiology Medical Microbiology Orthomyxoviridae Phylogeny Virology Viruses
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Zusammenfassung:	Despite their widespread distribution, only a single genotype variant of clade 2.3.4.4b H5N1 influenza viruses has been found so far in Europe. Here, we report the detection of a new highly pathogenic avian influenza H5N1 genotype in geese and ducks from a backyard farm in the Czech Republic. Phylogenetic analysis revealed that the Czech H5N1 virus retained the A/Eurasian_Wigeon/Netherlands/1/2020-like backbone with an altered PB2 segment obtained from co-circulating low-pathogenic avian influenza viruses.
ISSN:	0304-8608 1432-8798
DOI:	10.1007/s00705-022-05442-6