The Pathobiology of H7N3 Low and High Pathogenicity Avian Influenza Viruses from the United States Outbreak in 2020 Differs between Turkeys and Chickens

An outbreak caused by H7N3 low pathogenicity avian influenza virus (LPAIV) occurred in commercial turkey farms in the states of North Carolina (NC) and South Carolina (SC), United States in March of 2020. Subsequently, H7N3 high pathogenicity avian influenza virus (HPAIV) was detected on a turkey fa...

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Veröffentlicht in:	Viruses 2021-09, Vol.13 (9), p.1851
Hauptverfasser:	Criado, Miriã F, Leyson, Christina M, Youk, Sungsu, DeBlois, Suzanne, Olivier, Tim, Killian, Mary Lea, Torchetti, Mia L, Parris, Darren J, Spackman, Erica, Kapczynski, Darrell R, Suarez, David L, Swayne, David E, Pantin-Jackwood, Mary J
Format:	Artikel
Sprache:	eng
Schlagworte:	Agriculture Animals Avian flu avian influenza Brain research chickens Chickens - virology direct contact Disease Outbreaks - veterinary Epidemics Exo-a-sialidase Farms Genome, Viral Genomes H7N3 high pathogenicity avian influenza Infectivity Influenza Influenza A virus Influenza A Virus, H7N3 Subtype - genetics Influenza A Virus, H7N3 Subtype - isolation & purification Influenza A Virus, H7N3 Subtype - pathogenicity Influenza in Birds - epidemiology Influenza in Birds - transmission Influenza in Birds - virology Laboratories low pathogenicity avian influenza viruses North Carolina North Carolina - epidemiology Outbreaks Pathogenicity Phylogeny Poultry Poultry Diseases - epidemiology Poultry Diseases - transmission Poultry Diseases - virology sialidase South Carolina South Carolina - epidemiology turkeys Turkeys - virology Viral Load Virulence Virus Shedding Viruses
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Beschreibung
Zusammenfassung:	An outbreak caused by H7N3 low pathogenicity avian influenza virus (LPAIV) occurred in commercial turkey farms in the states of North Carolina (NC) and South Carolina (SC), United States in March of 2020. Subsequently, H7N3 high pathogenicity avian influenza virus (HPAIV) was detected on a turkey farm in SC. The infectivity, transmissibility, and pathogenicity of the H7N3 HPAIV and two LPAIV isolates, including one with a deletion in the neuraminidase (NA) protein stalk, were studied in turkeys and chickens. High infectivity [
ISSN:	1999-4915 1999-4915
DOI:	10.3390/v13091851