GenotypePhylogenyMolecular EpidemiologySequence Analysis, DNAGenetic VariationCluster AnalysisChinaMolecular Sequence DataPolymerase Chain ReactionPrevalencePolymorphism, GeneticPolymorphism, Single NucleotideAllelesGene FrequencyGenetic Predisposition to DiseaseCase-Control StudiesPolymorphism, Restriction Fragment LengthPhenotypeHepacivirusHaplotypesHomozygoteAsian Continental Ancestry GroupGenetic MarkersMethylenetetrahydrofolate Reductase (NADPH2)Risk FactorsBase SequenceHeterozygoteMutationGenotyping TechniquesGlutathione TransferaseHepatitis CLinkage DisequilibriumHepatitis C, ChronicRNA, ViralModels, GeneticRibavirinHepatitis B virusCatechol O-MethyltransferasePeptidyl-Dipeptidase AAntiviral AgentsDNA PrimersInterferon-alphaEuropean Continental Ancestry GroupApolipoproteins EMicrosatellite RepeatsArylamine N-AcetyltransferaseDNA, ViralMinisatellite RepeatsJapanCohort StudiesGenetics, PopulationGenome, Viral