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Virology Journal
Published in: Virology Journal 1/2011

Open Access 01-12-2011 | Short report

Epidemiology and immunoprotection of nephropathogenic avian infectious bronchitis virus in southern China

Authors: Qingmei Xie, Jun Ji, Jingwei Xie, Feng Chen, Manshan Cai, Baoli Sun, Chunyi Xue, Jingyun Ma, Yingzuo Bi

Published in: Virology Journal | Issue 1/2011

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Abstract

Background

In last three years, 96 suspected poultry farms from different provinces in China were diagnosed for avian infectious bronchitis (IB) survey. Finally, 221 IBV strains were confirmed by dwarf embryo test and RT-PCR assay. By virus recovery trials, 187 of the isolates caused the birds died or distressed from nephritis, which was accordant with the clinical record.

Results

Based on epidemiology analysis of recent field isolates of nephropathogenic IB in vaccinated farms in China, YL6 strain were used for vaccination and evaluated by antibody titer and challenge tests. The immunoprotection test indicated that the practical application of vaccine based on the recent field strains could finely facilitate controlling the nephropathogenic IB.

Conclusions

Our study was aim at setting a guide for safeguard against nephropathogenic IBV-caused disease in China.
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Metadata
Title
Epidemiology and immunoprotection of nephropathogenic avian infectious bronchitis virus in southern China
Authors
Qingmei Xie
Jun Ji
Jingwei Xie
Feng Chen
Manshan Cai
Baoli Sun
Chunyi Xue
Jingyun Ma
Yingzuo Bi
Publication date
01-12-2011
Publisher
BioMed Central
Published in
Virology Journal / Issue 1/2011
Electronic ISSN: 1743-422X
DOI
https://doi.org/10.1186/1743-422X-8-484

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Keynote webinar | Spotlight on medication adherence

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