MexicoMeningitisMeningitis, BacterialMeningitis, PneumococcalMeningitis, AsepticMeningitis, ViralNew MexicoMeningitis, FungalMeningitis, HaemophilusMeningitis, MeningococcalMeningitis, CryptococcalTuberculosis, MeningealCerebrospinal FluidGulf of MexicoMeningitis, ListeriaMeningitis, Escherichia coliSpinal PunctureEchovirus InfectionsStreptococcus pneumoniaeNeisseria meningitidisAngiostrongylus cantonensisCeftriaxoneCerebrospinal Fluid ProteinsNigerStreptococcal InfectionsMeningesInfant, NewbornNeisseria meningitidis, Serogroup AAnti-Bacterial AgentsHaemophilus influenzaeMeningoencephalitisSerotypingStreptococcus agalactiaeDisease OutbreaksEnterovirus InfectionsCryptococcus neoformansHaemophilus influenzae type bEnterovirus B, HumanEchovirus 9Meningeal CarcinomatosisStreptococcus suisCoccidioidomycosisAmpicillinLeukocytosisCryptococcosisStrongylida InfectionsSubarachnoid SpaceHydrocephalusTexasIncidenceCefotaximeAntifungal AgentsMeningeal NeoplasmsPneumococcal InfectionsSeasonsEnterovirusAIDS-Related Opportunistic InfectionsTogoBurkina FasoPetroleum PollutionCentral AmericaSepsisFatal OutcomeNeisseria meningitidis, Serogroup W-135Retrospective StudiesCryptococcusMeningococcal InfectionsFlucytosineCerebrospinal Fluid RhinorrheaFluconazoleMeningococcal VaccinesPopulation SurveillanceIntracranial PressureBlood-Brain BarrierMicrobial Sensitivity TestsArachnoiditisPolymerase Chain ReactionPhylogenyBacteremiaHaemophilus InfectionsLatin AmericaCronobacter sakazakiiAmphotericin BMexican AmericansTravelLyme NeuroborreliosisMeningocelePenicillin ResistanceBrain AbscessEscherichia coli InfectionsHaemophilus VaccinesRabbitsTuberculosis, MiliaryPneumococcal VaccinesEncephalitisHeadachePrevalenceRisk FactorsProspective StudiesSensitivity and Specificity