Kidney TransplantationPolyomavirus InfectionsPolyomavirusTumor Virus InfectionsBK VirusGraft RejectionImmunosuppressive AgentsJC VirusPolyomaviridaeGraft SurvivalCyclosporineSimian virus 40Transplantation, HomologousDNA, ViralTacrolimusRNA VirusesMycophenolic AcidKidney DiseasesImmunosuppressionVirus ReplicationUrineTransplantationKidney Failure, ChronicKidneyTime FactorsVaccinia virusTransplantsTissue DonorsPostoperative ComplicationsImmunocompromised HostCystitisRetrospective StudiesVirus DiseasesPolymerase Chain ReactionReceptors, VirusTreatment OutcomeVirus CultivationAntigens, ViralGenes, ViralVirus SheddingCytomegalovirus InfectionsCadaverLiving DonorsAntiviral AgentsViremiaBiopsyVirus AssemblyPlant VirusesDNA VirusesDefective VirusesHeart TransplantationInfluenza A Virus, H1N1 SubtypeSindbis VirusMeasles virusCreatinineViral LoadAzathioprineVero CellsRabies virusCell Transformation, ViralCercopithecus aethiopsVirus ActivationInfluenza A Virus, H5N1 SubtypeWaiting ListsAntibodies, ViralViral ProteinsTissue and Organ ProcurementRisk FactorsHistocompatibility TestingTransplantation ImmunologyProspective StudiesFollow-Up StudiesCell LineInfluenza A Virus, H3N2 SubtypeHepatitis B virusMolecular Sequence DataWest Nile virusRNA, ViralRespiratory Syncytial VirusesLung TransplantationCytomegalovirusCytopathogenic Effect, ViralVirus Physiological ProcessesSirolimusDelayed Graft FunctionOpportunistic InfectionsCapsid ProteinsRenal DialysisGlomerular Filtration RateVesicular stomatitis Indiana virusVirus LatencyKidney Function TestsHemagglutinin Glycoproteins, Influenza VirusDrug MonitoringIsoantibodiesPostoperative PeriodCells, CulturedCricetinaeOncogenic VirusesHaplorhini