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Original Article 
JVS. 2017; 2(1): 42-55


Genetic and Antigenic Characterization of Infectious Bronchitis Virus Strains in Egypt

Sara Mahmoud Ameen, Abdullah Selim, Ahmed El-Sanousi, Mohamed Shalaby.

Abstract
Infectious bronchitis virus (IBV) has a significant impact on the poultry industry worldwide and affecting all chicken ages, types and breeds causing severe economic losses. Genetic characterization showed that the recent Egyptian IBV strains continually evolved over time and at least two groups of viruses are circulating (Classic Variant II) which are distinctly apart from each other .Antigenic results revealed that there is cross protection between variant II strains and it needs more study to evaluate the real protection using challenge test and there is a very weak cross protection between the classic and variant II strains according to Cross HI results.Furthermore variable pathogenicity indexes were recoded among the tested IBV viruses

Key words: Infectious bronchitis virus, S1 protein, hyper variable region 3, Egypt.


 
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How to Cite this Article
Pubmed Style

Sara Mahmoud Ameen, Abdullah Selim, Ahmed El-Sanousi, Mohamed Shalaby. Genetic and Antigenic Characterization of Infectious Bronchitis Virus Strains in Egypt. JVS. 2017; 2(1): 42-55.


Web Style

Sara Mahmoud Ameen, Abdullah Selim, Ahmed El-Sanousi, Mohamed Shalaby. Genetic and Antigenic Characterization of Infectious Bronchitis Virus Strains in Egypt. http://www.j-virol-sci.com/?mno=263873 [Access: January 29, 2020].


AMA (American Medical Association) Style

Sara Mahmoud Ameen, Abdullah Selim, Ahmed El-Sanousi, Mohamed Shalaby. Genetic and Antigenic Characterization of Infectious Bronchitis Virus Strains in Egypt. JVS. 2017; 2(1): 42-55.



Vancouver/ICMJE Style

Sara Mahmoud Ameen, Abdullah Selim, Ahmed El-Sanousi, Mohamed Shalaby. Genetic and Antigenic Characterization of Infectious Bronchitis Virus Strains in Egypt. JVS. (2017), [cited January 29, 2020]; 2(1): 42-55.



Harvard Style

Sara Mahmoud Ameen, Abdullah Selim, Ahmed El-Sanousi, Mohamed Shalaby (2017) Genetic and Antigenic Characterization of Infectious Bronchitis Virus Strains in Egypt. JVS, 2 (1), 42-55.



Turabian Style

Sara Mahmoud Ameen, Abdullah Selim, Ahmed El-Sanousi, Mohamed Shalaby. 2017. Genetic and Antigenic Characterization of Infectious Bronchitis Virus Strains in Egypt. Journal of Virological Sciences, 2 (1), 42-55.



Chicago Style

Sara Mahmoud Ameen, Abdullah Selim, Ahmed El-Sanousi, Mohamed Shalaby. "Genetic and Antigenic Characterization of Infectious Bronchitis Virus Strains in Egypt." Journal of Virological Sciences 2 (2017), 42-55.



MLA (The Modern Language Association) Style

Sara Mahmoud Ameen, Abdullah Selim, Ahmed El-Sanousi, Mohamed Shalaby. "Genetic and Antigenic Characterization of Infectious Bronchitis Virus Strains in Egypt." Journal of Virological Sciences 2.1 (2017), 42-55. Print.



APA (American Psychological Association) Style

Sara Mahmoud Ameen, Abdullah Selim, Ahmed El-Sanousi, Mohamed Shalaby (2017) Genetic and Antigenic Characterization of Infectious Bronchitis Virus Strains in Egypt. Journal of Virological Sciences, 2 (1), 42-55.








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