Penicillin ResistanceAmpicillinPenicillinsPenicillin GStreptococcus pneumoniaeAnti-Bacterial AgentsPenicillin VMicrobial Sensitivity TestsAmpicillin ResistancePenicillin-Binding ProteinsPneumococcal InfectionsDrug Resistance, MicrobialMuramoylpentapeptide CarboxypeptidaseDrug Resistance, BacterialHexosyltransferasesPeptidyl TransferasesPenicillinasePenicillin G ProcainePoint MutationMutationPenicillin AmidaseMutation, MissenseNeisseria gonorrhoeaeLactamsPenicillin G Benzathinebeta-LactamasesDrug Resistance, Multiple, BacterialSerotypingBacterial ProteinsDrug Resistance, MultipleDrug ResistanceAminoacyltransferasesErythromycinTetracyclineTransformation, BacterialStreptococcal Infectionsbeta-LactamsR FactorsCefotaximeCarrier ProteinsMolecular Sequence DataSulbactamMacrolidesDNA, BacterialHaemophilus influenzaeOxacillinStreptococcusNasopharynxPlasmidsEscherichia coliFrameshift MutationPolymerase Chain ReactionTransformation, GeneticPneumococcal VaccinesGenes, BacterialMoraxella (Branhamella) catarrhalisBase SequenceDrug Resistance, NeoplasmStaphylococcusPneumonia, PneumococcalPivampicillinCephalosporinsElectrophoresis, Gel, Pulsed-FieldStaphylococcus aureusAmino Acid SequenceGerm-Line MutationCarrier StateCulture MediaRespiratory Tract InfectionsChloramphenicolDrug Resistance, ViralGentamicinsBacteriaCommunity-Acquired InfectionsCloxacillinBacteremiaSpainDisease ResistanceNeisseria meningitidisPedigreeVascular ResistanceSequence Analysis, DNAStreptomycinDNA FingerprintingMolecular EpidemiologyGenotypeEnterococcus faecalisCephaloridinePenicillanic AcidPhenotypeCarbenicillinTetracycline ResistanceCeftriaxonebeta-Lactam ResistanceTrimethoprimMutation RateEnterobacteriaceaeAmoxicillinBacterial Typing TechniquesAnti-Infective Agents