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2024-5-30 13:53:13


Jia Y, Yang J, Wang Z, Du Y, Cui J, Wang L, Guo F,. Genetic properties and pathogenicity of a novel reassortant H10N5 influenza virus from wild birds. Arch Virol. 2017 May;162(5):1349-1353
submited by kickingbird at Jan, 31, 2024 12:27 PM from Arch Virol. 2017 May;162(5):1349-1353

In this study, we analyzed the genome of a H10N5 influenza virus from wild birds. This virus was identified as a novel reassortant virus with internal genes from multiple subtypes and of distinct origins. After sequential passage in mice, mouse-adapted viruses bearing mutations PB2-E627K and HA-G218E were generated. These viruses caused dramatic body weight loss and death, and also replicated in mouse brain, suggesting that the pathogenicity of low pathogenic H10N5 in chickens can be enhanced after passage in mammals. Our data imply that H10N5 viruses might be a potential risk to human health therefore it is important to undertake continued surveillance and biosecurity evaluation of these viruses.

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