[The health status of workers engaged in the manufacture of inorganic manganese salts].

Workers engaged in the production of inorganic manganese salts revealed lesions of the upper respiratory pathways (catarrhal and subatrophic rhinitis, pharyngitis, laryngitis), skin (contact and allergic dermatitis), cardiovascular disorders. They also showed changes of renal function,mineral metabolism,acid stability of erythrocytes. Activation of the B-system of immunity and allergization of the body are also observed.