Article
[Variants of parainfluenza type 2 viruses].
Voprosy virusologii - 1 Jan 2000
Rybinskaia L N
Abstract excerpt
A comparative study of the antigenic and biological properties of parainfluenza type 2 viruses revealed the existence of two variants among them. The first variant includes strains isolated up to 1965 inclusive, the 2nd those isolated in 1966--1974. The strains of the 2nd variant are characterized by poor interaction with antibody in immune sera to the reference virus which appears to be due to a loss of one of...
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