Hepatitis B Core AntigensHepatitis B AntibodiesHepatitis BHepatitis B Surface AntigensHepatitis B virusHepatitis B AntigensHepatitis B e AntigensHepatitis B VaccinesHepatitis B, ChronicHepatitis CBlood DonorsCarrier StateDNA, ViralHepatitis AntibodiesAntibodies, ViralHepatitis, ChronicImmunoglobulin MRadioimmunoassaySeroepidemiologic StudiesImmunoenzyme TechniquesHepatitis C AntibodiesLiverEpitopesHepatitis AAntibodiesEnzyme-Linked Immunosorbent AssayLiver CirrhosisHepatitis, Viral, HumanAntigensHepatitis C AntigensPrevalenceLamivudineViral Core ProteinsChronic DiseaseAntibody SpecificityHepatitis C, ChronicHepatitisAcute DiseaseHepacivirusAntiviral AgentsAntibodies, MonoclonalMolecular Sequence DataHepatitis VirusesAntigens, ViralHepatitis A virusAntigens, BacterialAntibodies, BacterialHepatitis B Virus, DuckLiver TransplantationCarcinoma, HepatocellularHepatitis, Viral, AnimalRisk FactorsAntibody FormationViral Hepatitis VaccinesLiver NeoplasmsAntigens, SurfaceAntigens, NeoplasmImmunoglobulin GHepatitis A VaccinesTissue Donors