Penicillin ResistancePenicillinsPenicillin GNeisseria gonorrhoeaeNeisseriaPenicillin VNeisseria meningitidisStreptococcus pneumoniaePenicillin G ProcaineAnti-Bacterial AgentsPenicillin-Binding ProteinsPenicillin AmidaseMicrobial Sensitivity TestsPneumococcal InfectionsMuramoylpentapeptide CarboxypeptidasePenicillin G BenzathineDrug Resistance, MicrobialHexosyltransferasesPeptidyl TransferasesPenicillinaseDrug Resistance, BacterialGonorrheaSerotypingLactamsBacterial ProteinsAmpicillinErythromycinAminoacyltransferasesNeisseria lactamicaStreptococcal Infectionsbeta-LactamasesDrug Resistance, MultipleTransformation, BacterialDrug Resistance, Multiple, BacterialDrug ResistanceCefotaximeTetracyclineStreptococcusMacrolidesDNA, BacterialMolecular Sequence Databeta-LactamsNasopharynxOxacillinCarrier ProteinsMeningococcal InfectionsGenes, BacterialPneumococcal VaccinesCephalosporinsStaphylococcusMutationTransformation, GeneticMoraxella (Branhamella) catarrhalisPneumonia, PneumococcalSpectinomycinR FactorsCarrier StateCulture MediaMeningitis, MeningococcalStaphylococcus aureusPlasmidsNeisseria meningitidis, Serogroup BDrug Resistance, NeoplasmCeftriaxoneElectrophoresis, Gel, Pulsed-FieldHaemophilus influenzaeAmino Acid SequenceBacteriaRespiratory Tract InfectionsBase SequenceEscherichia coliBacteremiaCommunity-Acquired InfectionsPolymerase Chain ReactionSpainCloxacillinDrug HypersensitivityDisease ResistanceNeisseria meningitidis, Serogroup W-135Molecular EpidemiologyStreptomycinCefiximeDNA FingerprintingBacterial Typing TechniquesVascular ResistanceAcremoniumTetracycline ResistanceNeisseria meningitidis, Serogroup CGentamicinsNeisseria meningitidis, Serogroup ACephaloridineDrug Resistance, ViralAnti-Infective AgentsPeptidoglycanPharyngitisNeisseriaceae InfectionsBacterial Outer Membrane ProteinsNeisseria meningitidis, Serogroup YAmpicillin ResistanceCarbenicillin