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Genetic Diversity of Hepatitis B Virus Strains Derived Worldwide: Genotypes, Subgenotypes, and HBsAg Subtypes
TLDR
The genetic diversity ofHBV and the geographical distribution of its subgenotypes provide a tool to reconstruct the evolutionary history of HBV and may help to complement genetic data in the understanding of the evolution and past migrations of man.
Genetic relatedness of hepatitis A virus strains recovered from different geographical regions.
TLDR
A pairwise comparison of the nucleic acid sequence of 168 bases from 152 wild-type or unique cell culture-adapted strains of hepatitis A virus (HAV) revealed that HAV strains can be differentiated genetically into seven unique genotypes (I to VII), indicating that patterns of endemic transmission can be distinguished from situations in which infections are imported due to travel.
Genotype H: a new Amerindian genotype of hepatitis B virus revealed in Central America.
TLDR
The complete genomes were sequenced for ten hepatitis B virus (HBV) strains that were most similar to genotype D, although encoding d specificity, and three divergent strains, which should represent a new HBV genotype, for which the designation H is proposed.
The epidemiology and iatrogenic transmission of hepatitis C virus in Egypt: a Bayesian coalescent approach.
TLDR
The results indicate that the effective number of HCV infections in Egypt underwent rapid exponential growth between 1930 and 1955, and it is concluded that HCV is likely to remain prevalent in Egypt for several decades.
Hepatitis C virus genotype distribution in China: Predominance of closely related subtype 1b isolates and existence of new genotype 6 variants
To determine hepatitis C virus (HCV) genotype distribution in China, a total of 148 HCV RNA positive serum samples were collected from nine geographic areas and subjected to RT‐PCR followed by direct
Nucleotide and amino acid sequence coding for polypeptides of foot-and-mouth disease virus type A12
TLDR
Microsequencing of radiolabeled in vivo and in vitro translation products identified the genome position of the major foot- and-mouth disease virus proteins and the cleavage sites recognized by the putative viral protease and an additional protease(s), probably of cellular origin, to generate primary and functional foot-and-mouth Disease virus polypeptides.
Chronic hepatitis delta virus infection with genotype IIb variant is correlated with progressive liver disease.
TLDR
Data indicate the existence of a genetic subgroup of HDV genotype IIb, which is associated with different clinical characteristics and which could be related to genetic variations in functionally important parts of the HDV genome.
Hepatitis E virus antibody prevalence among persons who work with swine.
TLDR
The increased prevalence of HEV infection among persons with occupational exposure to swine suggests animal-to-human transmission of this infection.
Epidemiologic patterns of wild-type hepatitis A virus determined by genetic variation.
TLDR
Investigations indicate that HAV isolates from different parts of the world can be differentiated genetically, which will facilitate studies of epidemiologic transmission.
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