Penicillin ResistancePenicillinsPenicillin GMethicillin ResistanceStreptococcus pneumoniaePenicillin-Binding ProteinsMuramoylpentapeptide CarboxypeptidaseMicrobial Sensitivity TestsAnti-Bacterial AgentsPenicillin VHexosyltransferasesPeptidyl TransferasesPneumococcal InfectionsDrug Resistance, MicrobialStaphylococcus aureusPenicillinaseDrug Resistance, BacterialOxacillinPenicillin G ProcaineStaphylococcusPenicillin AmidaseNeisseria gonorrhoeaeBacterial ProteinsStaphylococcal InfectionsLactamsPenicillin G BenzathineDrug Resistance, MultipleDrug Resistance, Multiple, BacterialErythromycinAminoacyltransferasesSerotypingDrug ResistanceTransformation, Bacterialbeta-LactamasesMethicillin-Resistant Staphylococcus aureusCarrier ProteinsAmpicillinMacrolidesTetracyclineDNA, BacterialStreptococcal InfectionsCefotaximeCoagulasebeta-LactamsStreptococcusGenes, BacterialNasopharynxPneumococcal VaccinesCarrier StateElectrophoresis, Gel, Pulsed-FieldCloxacillinTransformation, GeneticNafcillinR FactorsCommunity-Acquired InfectionsDrug Resistance, NeoplasmMoraxella (Branhamella) catarrhalisBacteremiaPneumonia, PneumococcalMutationCulture MediaMolecular Sequence DataStaphylococcus epidermidisPlasmidsCephalothinCephalosporinsDNA FingerprintingPolymerase Chain ReactionBacteriaDisease ResistanceRespiratory Tract InfectionsVancomycinMolecular EpidemiologyCefoxitinNeisseria meningitidisBacterial Typing TechniquesVascular ResistanceGentamicinsSpainDrug Resistance, ViralHaemophilus influenzaePeptidoglycanStaphylococcus PhagesCross InfectionBase SequenceEndocarditis, BacterialAmino Acid SequenceTetracycline ResistanceAutolysisbeta-Lactam ResistanceDisk Diffusion Antimicrobial TestsClindamycinVancomycin ResistanceAnti-Infective AgentsEscherichia coliStaphylococcal Skin InfectionsLysostaphinPhenotypeCefamandoleChloramphenicol