title: Prevalence of delta hepatitis virus in South Africa.
mesh_terms: D001741:Black or African American; D044383:Black People; D006509:Hepatitis B / Q000453:epidemiology*; D006511:Hepatitis B Antigens / Q000032:analysis*; D035923:Hepatitis delta Antigens; D006801:Humans; D013019:South Africa
chemical_list: D006511:Hepatitis B Antigens; D035923:Hepatitis delta Antigens