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Construction of influenza B virus vero cell adapted strain by genetic reassortment / 中华实验和临床病毒学杂志
Chinese Journal of Experimental and Clinical Virology ; (6): 319-322, 2019.
Article in Chinese | WPRIM | ID: wpr-804835
ABSTRACT
Objective@#To construct influenza B virus Vero cell adapted strain by genetic recombination technology by using the influenza B virus Vero cell adapted strain as the parent strain.@*Methods@#The chick embryo and Vero cell were co-infected with influenza virus Vero cell adapted strain B/Malaysia/2506/2004 Va (Bv) and the vaccine strain B/massachusetts/2/2012 (BX-51B) recommended by WHO. The reassortants were screened with the anti-Bv serum. Plaque-purified reassortants were used to screen for Vero cell-adapted influenza B virus strains containing the surface antigen of the epidemic strain.@*Results@#A Vero cell-adapted influenza B virus strain was obtained with successive passage in Vero cells. The hemagglutination inhibition test and the one-way immunogold agar diffusion test both showed that the reassortant virus was homologous to NYMC BX-51B, and sequence analysis result showed that the reassortment virus has the same HA and NA gene with the vaccine strain.@*Conclusion@#B/Malaysia/2506/2004Va (Bv) can be used as a parent strain to prepare Vero cell vaccine against influenza B virus.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Experimental and Clinical Virology Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Experimental and Clinical Virology Year: 2019 Type: Article