Penicillin ResistancePenicillinsPenicillin GStreptococcus pneumoniaeNasopharyngeal DiseasesPneumococcal InfectionsPenicillin VPenicillin-Binding ProteinsMicrobial Sensitivity TestsMuramoylpentapeptide CarboxypeptidaseAnti-Bacterial AgentsHexosyltransferasesPeptidyl TransferasesPenicillin G ProcainePenicillin AmidaseDrug Resistance, MicrobialSerotypingPenicillin G BenzathineDrug Resistance, BacterialPenicillinaseNeisseria gonorrhoeaeDrug ResistanceLactamsDrug Resistance, MultipleErythromycinAmpicillinBacterial ProteinsDrug Resistance, Multiple, BacterialAminoacyltransferasesStreptococcal Infectionsbeta-LactamasesMacrolidesTetracyclineCefotaximeStreptococcusbeta-LactamsOxacillinTransformation, BacterialCarrier ProteinsDrug Resistance, NeoplasmNasopharynxStaphylococcusPneumococcal VaccinesMutationCephalosporinsPneumonia, PneumococcalDNA, BacterialStaphylococcus aureusMolecular Sequence DataMoraxella (Branhamella) catarrhalisR FactorsTransformation, GeneticGenes, BacterialElectrophoresis, Gel, Pulsed-FieldCarrier StateCulture MediaNeisseria meningitidisBacteriaPlasmidsDisease ResistanceRespiratory Tract InfectionsCommunity-Acquired InfectionsHaemophilus influenzaeCloxacillinGonorrheaDrug Resistance, ViralEscherichia coliBacteremiaCeftriaxoneSpainStreptomycinGentamicinsDrug HypersensitivitySpectinomycinPolymerase Chain ReactionTetracycline ResistanceVascular ResistanceDNA FingerprintingAcremoniumAmino Acid SequenceMolecular EpidemiologyBase SequenceAnti-Infective AgentsCephaloridineClindamycinAmpicillin ResistancePharyngitisCarbenicillinbeta-Lactam ResistanceChloramphenicolBacterial Typing TechniquesCephalothinPenicilliumProteusPeptidoglycanVancomycinAmoxicillinEnterobacteriaceaeFluoroquinolonesMethicillin