Penicillin ResistancePenicillinsPenicillin GAnti-Bacterial AgentsDrug Resistance, BacterialDrug Resistance, MicrobialStreptococcus pneumoniaeMicrobial Sensitivity TestsPenicillin VPneumococcal InfectionsPenicillin-Binding ProteinsMuramoylpentapeptide CarboxypeptidasePeptidyl TransferasesHexosyltransferasesDrug ResistanceDrug Resistance, Multiple, BacterialBacterial ProteinsPenicillinasePenicillin G ProcaineDrug Resistance, MultipleBacteriabeta-LactamasesNeisseria gonorrhoeaePenicillin AmidaseLactamsAmpicillinBacterial InfectionsDrug Resistance, NeoplasmPenicillin G BenzathineErythromycinStaphylococcus aureusEscherichia coliAnti-Infective AgentsTetracycline ResistanceSerotypingMacrolidesMutationAminoglycosidesAminoacyltransferasesTetracyclineAntibiotic ProphylaxisStaphylococcusMolecular Sequence DataDisease ResistanceDNA, BacterialGenes, Bacterialbeta-Lactam ResistanceGram-Negative Bacteriabeta-LactamsVascular ResistanceStreptococcal InfectionsRespiratory Tract InfectionsTransformation, BacterialGentamicinsDrug Resistance, ViralCefotaximeR FactorsDrug UtilizationOxacillinCarrier ProteinsGram-Positive BacteriaStreptococcusBacteremiaNasopharynxHaemophilus influenzaePneumococcal VaccinesCulture MediaCiprofloxacinPlant DiseasesTetracyclinesTransformation, GeneticAntimicrobial Cationic PeptidesFluoroquinolonesPlasmidsMoraxella (Branhamella) catarrhalisPneumonia, PneumococcalPseudomonas aeruginosaAmino Acid SequenceCross InfectionPolymyxin BElectrophoresis, Gel, Pulsed-FieldBase SequenceStaphylococcal InfectionsMicrobial ViabilityCephalosporinsGram-Negative Bacterial InfectionsCommunity-Acquired InfectionsVancomycinTelluriumKanamycin KinaseStreptomycinPyodermaEnterococcusGene Expression Regulation, BacterialCarrier StatePolymerase Chain ReactionSpainTime FactorsNeisseria meningitidisAmpicillin Resistance