[1980 - 1981年分离出的乙型流感病毒流行株的比较特征]
[Comparative characteristics of epidemic strains of the influenza virus B isolated in 1980-1981].
作者信息
Iakhno M A, Zakstel'skaia L Ia, Molibog E V, Ivanova V T, Shenderovich S F
出版信息
Vopr Virusol. 1982 Nov-Dec;27(6):656-61.
The epidemic situation of 1980-1981 was conditioned by the emergence of new antigenic variants of influenza B virus with an altered composition of hemagglutinin and neuraminidase. The strains isolated in the epidemic season of 1980-1981 vary in their antigenic and biological properties and the degree of relationship with previously circulating influenza B viruses, although they show sufficient stability of molecular weights of major virion polypeptides. Influenza B viruses occurring after 1972 should be classified into a new, 5th group. The epidemic strains which were spread in 1980-1981 belong to this group although they represent already new drift variants.
1980 - 1981年的疫情是由B型流感病毒新的抗原变异株出现所导致的，这些变异株的血凝素和神经氨酸酶组成发生了改变。1980 - 1981年流行季节分离出的毒株在抗原和生物学特性以及与先前流行的B型流感病毒的亲缘关系程度上有所不同，尽管它们显示出主要病毒粒子多肽分子量的足够稳定性。1972年以后出现的B型流感病毒应归类为一个新的第5组。1980 - 1981年传播的流行毒株属于这一组，尽管它们已经是新的漂移变异株。
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