Article
Genetic, antigenic and biological differences between strains of hepatitis A virus.
Vaccine - 1 Jan 1992
Lemon S M, Jansen R W, Brown E A
Abstract excerpt
Recent studies have documented a considerable degree of genetic divergence among wild-type hepatitis A virus (HAV) strains recovered from different geographical locations. Human HAV strains can be grouped into four genotypes (I, II, III and VII) and unique simian strains belong to three additional genotypes (IV, V and VI). Between each of these genotypes, the nucleotide sequence varies at 15-25% of base positions...
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