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Objective: Respiratory disorders are the most common occupational diseases. Occupational exposures to dust, fumes, chemicals and gases are associated with increased prevalence of respiratory symptoms. Although cleaning represents a significant part of the working population worldwide, it is a relatively understudied occupation and respiratory health of professional cleaners in hospitals have not been significantly addressed in Ethiopia. The aim of this study was to assess the respiratorydoi:10.21203/rs.2.11981/v1 fatcat:7wzb73jbvbgtxbktse3d4ywica