MeningitisMeningitis, BacterialMeningitis, PneumococcalMeningitis, AsepticMeningitis, ViralMeningitis, FungalMeningitis, HaemophilusMeningitis, MeningococcalMeningitis, CryptococcalTuberculosis, MeningealCerebrospinal FluidMeningitis, ListeriaMeningitis, Escherichia coliSpinal PunctureEchovirus InfectionsSensitivity and SpecificityDelayed DiagnosisStreptococcus pneumoniaeNeisseria meningitidisEarly DiagnosisAngiostrongylus cantonensisPrenatal DiagnosisInfant, NewbornRetrospective StudiesCeftriaxoneCerebrospinal Fluid ProteinsDiagnosisNigerStreptococcal InfectionsMeningesAnti-Bacterial AgentsMeningoencephalitisNeisseria meningitidis, Serogroup AFatal OutcomeProspective StudiesHaemophilus influenzaeTomography, X-Ray ComputedStreptococcus agalactiaeEnterovirus InfectionsIncidencePolymerase Chain ReactionTreatment OutcomeDiagnostic ErrorsCryptococcus neoformansSerotypingTime FactorsHydrocephalusCryptococcosisLeukocytosisHaemophilus influenzae type bPredictive Value of TestsEnterovirus B, HumanEchovirus 9Subarachnoid SpaceAmpicillinMeningeal CarcinomatosisMagnetic Resonance ImagingStreptococcus suisStrongylida InfectionsRisk FactorsMeningeal NeoplasmsAIDS-Related Opportunistic InfectionsBiopsyDisease OutbreaksReproducibility of ResultsPrognosisCoccidioidomycosisAcute DiseaseAntifungal AgentsSepsisNursing DiagnosisFollow-Up StudiesDiagnosis, Computer-AssistedCefotaximeEnterovirusPneumococcal InfectionsBurkina FasoPregnancyTogoBrainAge FactorsCohort StudiesBrain AbscessHeadacheBacteremiaCryptococcusPreimplantation DiagnosisCerebrospinal Fluid RhinorrheaMeningococcal InfectionsFluconazolePopulation SurveillanceIntracranial PressureFlucytosineNeisseria meningitidis, Serogroup W-135Tuberculosis, MiliaryEncephalitisArachnoiditisBlood-Brain BarrierPrevalenceAmphotericin B