Emergence and spread of novel H5N8, H5N5 and H5N1 clade 2.3.4.4 highly pathogenic avian influenza in 2020
Lewis N.S. Banyard A.C. Whittard E. Karibayev T. Al Kafagi T. Chvala I. Byrne A. Meruyert S. King J. Harder T. Grund C. Essen S. Reid S.M. Brouwer A. Zinyakov N.G. Tegzhanov A. Irza V. Pohlmann A. Beer M. Fouchier R.A.M. Akhmetzhan S. Brown I.H.
2021Taylor and Francis Ltd.
Emerging Microbes and Infections
2021#10Issue 1148 - 151 pp.
Analyses of HPAI H5 viruses from poultry outbreaks across a wide Eurasian region since July 2020 including the Russian Federation, Republics of Iraq and Kazakhstan, and recent detections in migratory waterfowl in the Netherlands, revealed undetected maintenance of H5N8, likely in galliform poultry since 2017/18 and both H5N5 and H5N1. All viruses belong to A/H5 clade 2.3.4.4b with closely related HA genes. Heterogeneity in Eurasian H5Nx HPAI emerging variants threatens poultry production, food security and veterinary public health.
avian , emergence , Eurasia , HPAI , Influenza
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Department of Virology, Animal and Plant Health Agency, OIE/FAO International Reference Laboratory for Avian Influenza, Swine Influenza and Newcastle Disease Virus, Surrey, United Kingdom
Department of Pathobiology and Population Sciences, Royal Veterinary College, Addlestone, United Kingdom
National Veterinary Reference Centre, Infectious Diseases Laboratory, The Committee for Veterinary Control and Supervision, Nur-Sultan City, Kazakhstan
Veterinary Directorate, Baghdad, Iraq
National Reference Laboratory for Avian Influenza and Newcastle Disease, Federal Centre for Animal Health (FGBI “ARRIAH”), Yurevets Vladimir, Russian Federation
Department of Virology, The Kazakh Scientific Research Veterinary Institute (KazSRVI), Non-Commercial JSC “National Agrarian Science and Educational Centre”, Almaty, Kazakhstan
Erasmus MC Department of Viroscience, Rotterdam, Netherlands
Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute of Animal Health, Greifswald-Insel Riems, Germany
Department of Virology
Department of Pathobiology and Population Sciences
National Veterinary Reference Centre
Veterinary Directorate
National Reference Laboratory for Avian Influenza and Newcastle Disease
Department of Virology
Erasmus MC Department of Viroscience
Institute of Diagnostic Virology
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