Penicillin ResistancePenicillinsPenicillin GDrug Resistance, ViralStreptococcus pneumoniaeDrug Resistance, MicrobialMutationDrug Resistance, BacterialMicrobial Sensitivity TestsAnti-Bacterial AgentsPenicillin VMutation, MissensePneumococcal InfectionsPenicillin-Binding ProteinsDrug ResistanceMuramoylpentapeptide CarboxypeptidaseHexosyltransferasesPeptidyl TransferasesPoint MutationHIV Reverse TranscriptaseAnti-HIV AgentsDrug Resistance, MultipleHIV-1HIV ProteasePenicillin G ProcainePenicillinaseDrug Resistance, Multiple, BacterialDrug Resistance, NeoplasmPenicillin AmidaseDrug Resistance, Multiple, ViralNeisseria gonorrhoeaeReverse Transcriptase InhibitorsMolecular Sequence DataBacterial ProteinsPenicillin G BenzathineHIV InfectionsLactamsGenotypeErythromycinSequence Analysis, DNASerotypingAminoacyltransferasesPolymerase Chain ReactionMacrolidesBase SequenceDisease ResistanceHIV Protease Inhibitorsbeta-LactamasesVascular ResistanceTransformation, BacterialDNA, BacterialNevirapineCarrier ProteinsTetracyclineGenes, BacterialAmpicillinAmino Acid SequenceAmino Acid SubstitutionStreptococcal InfectionsPlasmidspol Gene Products, Human Immunodeficiency VirusR FactorsZidovudineOxacillinEscherichia coliCefotaximeFrameshift MutationNasopharynxTransformation, Geneticbeta-LactamsStreptococcusTreatment FailurePneumococcal VaccinesHIV Integrase InhibitorsStaphylococcus aureusPhenotypeStreptomycinStaphylococcusMoraxella (Branhamella) catarrhalisViral LoadSpainPneumonia, PneumococcalOrganophosphonatesTetracycline ResistanceAntiviral AgentsHerbicide ResistanceGerm-Line MutationRNA, ViralMutation RateElectrophoresis, Gel, Pulsed-FieldAllelesLamivudineMolecular EpidemiologyCarrier StateDNA GyraseRifampinAnti-Infective AgentsDNA Mutational AnalysisAntiretroviral Therapy, Highly ActiveRespiratory Tract Infections