AbsenteeismSick LeaveMotion SicknessAltitude SicknessSerum SicknessEfficiencyDecompression SicknessOccupational HealthWorkplaceOccupational Health ServicesEmployer Health CostsAfrican Horse SicknessSchoolsTrypanosomiasis, AfricanEmploymentOccupational DiseasesPersonnel ManagementTrypanosoma brucei gambienseWorkNamibiaEmployee DisciplineWork Capacity Evaluation