Cerebrospinal FluidMeningitis, FungalMeningitis, BacterialMeningitisBloodInfant, NewbornCerebrospinal Fluid ProteinsSonicationFinancial AuditAsepsisArthritis, InfectiousAmniotic FluidPleural EffusionAscitic FluidMeningitis, ListeriaPeritonitisBacterial InfectionsAmniocentesisCerebrospinal Fluid RhinorrheaProsthesis-Related InfectionsCerebrospinal Fluid PressureCerebrospinal Fluid ShuntsAnti-Bacterial AgentsBacteriaSpinal PunctureBacteremiaBacteriological TechniquesCerebrospinal Fluid OtorrheaRetrospective StudiesMeningitis, ViralSepsisSensitivity and SpecificityHydrocephalusMeningitis, AsepticTuberculosis, MeningealProspective StudiesMeningitis, PneumococcalChoroid PlexusMeningoencephalitisSubarachnoid SpaceNeurosyphilisTreatment OutcomeCisterna MagnaIntracranial PressureArachnoidCerebral VentriclesBrainMultiple SclerosisCentral Nervous System DiseasesOligoclonal BandsBlood-Brain BarrierHydroxyindoleacetic AcidNervous System DiseasesMeningesVentriculoperitoneal ShuntPneumoencephalographyLyme NeuroborreliosisCentral Nervous System InfectionsHomovanillic AcidEncephalitisMeningitis, Haemophilus