Meningitis, BacterialPenicillin ResistancePenicillinsMeningitisMeningitis, PneumococcalPenicillin GAnti-Bacterial AgentsStreptococcus pneumoniaeMeningitis, HaemophilusMeningitis, AsepticDrug Resistance, BacterialDrug Resistance, MicrobialMeningitis, MeningococcalMeningitis, ViralMicrobial Sensitivity TestsPneumococcal InfectionsPenicillin VCerebrospinal FluidPenicillin-Binding ProteinsMuramoylpentapeptide CarboxypeptidaseMeningitis, FungalHexosyltransferasesPeptidyl TransferasesDrug ResistanceNeisseria meningitidisSpinal PunctureDrug Resistance, Multiple, BacterialBacterial ProteinsAmpicillinPenicillin G ProcaineBacteriaPenicillinaseDrug Resistance, MultipleHaemophilus influenzaeStreptococcal InfectionsBacterial InfectionsPenicillin AmidaseNeisseria gonorrhoeaeTuberculosis, Meningealbeta-LactamasesSerotypingMeningitis, CryptococcalDrug Resistance, NeoplasmCefotaximeLactamsAnti-Infective AgentsPenicillin G BenzathineCeftriaxoneEscherichia coliMeningitis, ListeriaMeningitis, Escherichia coliAminoacyltransferasesTetracycline ResistanceMutationStaphylococcus aureusErythromycinDNA, BacterialDisease ResistanceGram-Negative BacteriaCommunity-Acquired InfectionsMolecular Sequence DataPneumococcal VaccinesRespiratory Tract InfectionsVascular ResistanceStaphylococcusbeta-Lactam ResistanceHaemophilus influenzae type bMacrolidesGenes, BacterialStreptococcusTransformation, BacterialTetracyclineDrug Resistance, ViralCerebrospinal Fluid ProteinsCarrier ProteinsBacteremiaOxacillinAminoglycosidesR FactorsNasopharynxCephalosporinsbeta-LactamsNigerGram-Negative Bacterial InfectionsPlant DiseasesGentamicinsPneumonia, PneumococcalInfant, NewbornTransformation, GeneticPolymerase Chain ReactionDrug Therapy, CombinationCross InfectionAcute DiseaseAntimicrobial Cationic PeptidesMoraxella (Branhamella) catarrhalisSubarachnoid SpaceFluoroquinolonesGram-Positive BacteriaCulture MediaTime Factors