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Phenotypic and genetic diversity of the traditional Lister smallpox vaccine

机译:传统李斯特菌天花疫苗的表型和遗传多样性

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摘要

As an initial step in the development of a second-generation smallpox vaccine derived from the Lister strain, to be prepared for a variola virus threat, diversity of the traditional vaccine was examined by characterizing a series of ten viral clones.In vitro and in vivo phenotypic studies showed that the biological behavior of the clones diverged from each other and in most cases diverged from the vaccinia virus (VACV) Lister parental population. Taken together, these results demonstrate the heterogeneity of the viral population within the smallpox vaccine and highlight the difficulty in choosing one clone which would meet the current requirements for a safe and effective vaccine candidate.
机译:作为研制针对李斯特菌的第二代天花疫苗的第一步,该疫苗旨在应对天花病毒的威胁,通过表征一系列十个病毒克隆来检验传统疫苗的多样性。表型研究表明,克隆的生物学行为彼此不同,并且在大多数情况下与痘苗病毒(VACV)Lister亲本群体不同。总而言之,这些结果证明了天花疫苗中病毒种群的异质性,并突出说明了选择一个克隆的难度,该克隆将满足当前对安全有效的候选疫苗的要求。

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