Taenia soliumCysticercosisTaeniasisTaeniaNeurocysticercosisCysticercusAntibodies, HelminthAntigens, HelminthTaenia saginataSwine DiseasesCestode InfectionsDNA, HelminthHelminth ProteinsAnthelminticsAnticestodal AgentsSwinePeruAlbendazoleCase-Control StudiesPraziquantelFood ParasitologyEnzyme-Linked Immunosorbent AssayOdds RatioCohort StudiesSeroepidemiologic StudiesNiclosamidePrevalenceCestodaProspective StudiesSparganumSensitivity and SpecificityRisk FactorsLogistic ModelsSerologic TestsIncidenceTreatment OutcomeConfidence IntervalsFollow-Up StudiesVaccinesAntiparasitic AgentsParasitologyRetrospective StudiesCross-Sectional StudiesMultivariate AnalysisRisk AssessmentProportional Hazards ModelsRural PopulationFecesEcuador