Hepatitis BHepatitis B, ChronicHepatitis B Surface AntigensHepatitis B AntibodiesHepatitis B virusHepatitis B VaccinesHepatitis B Core AntigensHepatitis B e AntigensEpiglottitisHaemophilus InfectionsMeningitis, HaemophilusLamivudineHepatitis B AntigensInfluenza B virusCoxsackievirus InfectionsAntiviral AgentsCarrier StateHaemophilus influenzaeDNA, ViralHerpesvirus 6, HumanGB virus BSalmonella paratyphi BEnterovirus B, HumanAlanine TransaminasePrevalenceHepatitis CViral LoadRoseolovirus InfectionsSeroepidemiologic StudiesInterferon-alphaPentosephosphatesOrganophosphonatesReverse Transcriptase InhibitorsCarcinoma, HepatocellularGenotypeLiver NeoplasmsHepacivirusViral Hepatitis VaccinesLiver CirrhosisHepatitis AntibodiesAdenineDrug Resistance, ViralVirus ActivationVietnamHIV InfectionsPolysaccharides, BacterialMeningitis, MeningococcalLiver FailureInfluenza, HumanEnzyme-Linked Immunosorbent AssayHepatitis, ChronicBlood DonorsRisk FactorsAcute DiseaseSubstance Abuse, IntravenousHaemophilus influenzae type bLiver TransplantationVaccinationRNA, ViralLiver Function TestsHIV-1Antibodies, ViralHepatitis C, ChronicTreatment OutcomePolyethylene GlycolsChinaIranAntibodies, BacterialCross-Sectional StudiesPregnancy Complications, InfectiousTaiwanChronic DiseasePolymerase Chain ReactionLiverHomosexuality, MaleGuaninePopulation SurveillanceRetrospective StudiesBlood TransfusionTime FactorsAge FactorsBrazilImmunoenzyme TechniquesInfant, NewbornCost-Benefit AnalysisImmunoglobulin MDrug Therapy, CombinationIncidenceCase-Control StudiesAge DistributionMutationMolecular Sequence DataSequence Analysis, DNAAsian Continental Ancestry GroupComorbidityVirus ReplicationCohort StudiesProspective StudiesDisease ProgressionImmunoglobulin G