Genetic properties and pathogenicity of a novel reassortant H10N5 influenza virus from wild birds

Genetic properties and pathogenicity of a novel reassortant H10N5 influenza virus from wild birds 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Genetic properties and pathogenicity of a novel reassortant H10N5 influenza virus from wild birds

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-017-3234-3
Publisher site
See Article on Publisher Site

Abstract

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.

Journal

Archives of VirologySpringer Journals

Published: Jan 23, 2017

References

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