Article
Molecular Analysis of Rubella Virus Epidemiology across Three Continents, North America, Europe, and Asia, 1961–1997
1 Sept 1998
Abstract excerpt
E1 gene nucleotide sequences of 63 rubella virus isolates from North America, Europe, and Asia isolated between 1961 and 1997 were compared phylogenetically. Two genotypes were evident: Genotype I contained 60 viruses from North America, Europe, and Japan, and genotype II contained 3 viruses from China and India. The genotype I isolates prior to 1970 grouped into a single diffuse clade, indicating...
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