Molecular epidemiology and changing distribution of genotypes of measles virus field strains in Japan.

AUTOR(ES)
RESUMO

Based on phylogenetic and restriction fragment length polymorphism analyses of the hemagglutinin and nucleoprotein gene sequences, measles virus strains obtained in western Japan were divided into two types. Type 1 isolates have largely replaced type 2 isolates during the last 10 years in the area surveyed.

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