Asymptomatic infection with clade 2.3.4.4b highly pathogenic avian influenza A(H5N1) in carnivore pets, Italy, April 2023

In April 2023, an outbreak of clade 2.3.4.4b highly pathogenic avian influenza A(H5N1) viruses carrying the T271A mammalian adaptive mutation in the PB2 protein was detected in a backyard poultry farm in Italy. Five domestic dogs and one cat living on the premises had seroconverted in the absence of...

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Detalles Bibliográficos
Autores principales: Moreno, Ana, Bonfante, Francesco, Bortolami, Alessio, Cassaniti, Irene, Caruana, Anna, Cottini, Vincenzo, Cereda, Danilo, Farioli, Marco, Fusaro, Alice, Lavazza, Antonio, Lecchini, Pierdavide, Lelli, Davide, Maroni Ponti, Andrea, Nassuato, Claudia, Pastori, Ambra, Rovida, Francesca, Ruocco, Luigi, Sordilli, Marco, Baldanti, Fausto, Terregino, Calogero
Formato: Online Artículo Texto
Lenguaje:English
Publicado: European Centre for Disease Prevention and Control (ECDC) 2023
Materias:
Rapid Communication
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10472752/
https://www.ncbi.nlm.nih.gov/pubmed/37650905
http://dx.doi.org/10.2807/1560-7917.ES.2023.28.35.2300441
Descripción
Sumario:In April 2023, an outbreak of clade 2.3.4.4b highly pathogenic avian influenza A(H5N1) viruses carrying the T271A mammalian adaptive mutation in the PB2 protein was detected in a backyard poultry farm in Italy. Five domestic dogs and one cat living on the premises had seroconverted in the absence of clinical signs. Virological and serological monitoring of individuals exposed to the virus proved the absence of human transmission, however, asymptomatic influenza A(H5N1) infections in mammalian pets may have important public health implications.

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