title: [Occurrence of viral hepatitis among health service personnel].
mesh_terms: D000328:Adult; D000368:Aged; D006280:Health Workforce; D006525:Hepatitis, Viral, Human / Q000453:epidemiology*; D006801:Humans; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D009790:Occupations; D011044:Poland
vernacular_title: Zachorowania na wirusowe zapalenie watroby wśród pracowników słuzby zdrowia.