United States Food and Drug AdministrationDrug ApprovalEndpoint DeterminationUnited StatesClinical Trials as TopicWaterTreatment OutcomeFoodWater SupplyDevice ApprovalAdministration, OralFood LabelingFood SupplyEquipment SafetyFood AnalysisFresh WaterBody WaterDrug LabelingFood PreferencesDrug Administration ScheduleElephantiasis, FilarialLegislation, Food