Multiple recombination events between field and vaccine strains resulted in the emergence of a novel infectious bronchitis virus with decreased pathogenicity and altered replication capacity

In this study, we isolated and identified 2 infectious bronchitis virus (IBV) strains from layer chickens soon after vaccination with the Massachusetts–Connecticut bivalent vaccine (Conn) and H120 and 4/91 booster vaccines in China in 2011. The results of cross-virus-neutralization tests and phyloge...

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Bibliographic Details
Main Authors: Mengting Ren, Zongxi Han, Yan Zhao, Junfeng Sun, Shengwang Liu, Deying Ma
Format: Article
Language:English
Published: Elsevier 2020-04-01
Series:Poultry Science
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0032579119580579