HIV SeropositivityHepatitis CHIV SeroprevalenceHIV InfectionsSubstance Abuse, IntravenousHepatitis C, ChronicHepatitis BHepacivirusHepatitis ASexual BehaviorHepatitis C AntibodiesRisk FactorsHepatitis B virusSeroepidemiologic StudiesHepatitis B Surface AntigensAntiviral AgentsHepatitisHepatitis, Viral, HumanHepatitis C AntigensHepatitis AntibodiesHepatitis A virusHepatitis B, ChronicHepatitis B AntibodiesRibavirinHepatitis B VaccinesInterferon-alphaHepatitis, ChronicRNA, ViralViral Nonstructural ProteinsHepatitis A VaccinesHepatitis B Core AntigensHepatitis A AntibodiesHepatitis B e AntigensHepatitis A Virus, HumanLiver CirrhosisViral Hepatitis VaccinesHepatitis B AntigensHepatitis EPolyethylene GlycolsHepatitis, AutoimmuneHepatitis E virusHepatitis, Viral, AnimalAntibodies, ViralHepatitis VirusesPrevalenceAgrobacterium tumefaciensGenotypeViral Core ProteinsAlanine TransaminaseHepatitis DHepatitis Delta VirusHepatitis, AnimalViral LoadEnzyme-Linked Immunosorbent AssayMolecular Sequence DataBlood DonorsSerologic TestsVirus ReplicationImmunoglobulin GLiverCarcinoma, HepatocellularAntibodies, BacterialRhizobiumDNA, ViralHepatovirusRecombinant ProteinsChlamydophila pneumoniaeRepliconDrug Therapy, CombinationChlamydophila InfectionsMurine hepatitis virusLiver NeoplasmsLiver TransplantationCryoglobulinemiaBase SequenceAntigens, CD81HIV SeronegativityCoinfectionHepatocytesInterferonsHepatitis AntigensCross-Sectional StudiesHepatitis A AntigensPolymerase Chain ReactionGenome, ViralCase-Control StudiesHepatitis, AlcoholicTreatment OutcomeHepatitis delta AntigensCohort StudiesBrazilViral Envelope ProteinsPan troglodytesHelicobacter InfectionsHelicobacter pyloriRetrospective StudiesAmino Acid SequencePlant TumorsProspective StudiesHepatitis B Virus, Duck