title: Prevalence of hepatitis B surface antigen in northern Nigerian blood donors.
abstract: 1,860 serum samples of blood donors from northern Nigeria were tested for the presence of the hepatitis B surface antigen. 8.9% of them were found to be positive. Significant differences in frequency were observed amongst various ethnic groups as well as ABO blood groups.
mesh_terms: D000017:ABO Blood-Group System / Q000235:genetics; D001782:Blood Donors; D002353:Carrier State / Q000097:blood / Q000453:epidemiology*; D005006:Ethnicity; D005260:Female; D005787:Gene Frequency; D006509:Hepatitis B / Q000097:blood / Q000453:epidemiology*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D009549:Nigeria
chemical_list: D000017:ABO Blood-Group System; D006514:Hepatitis B Surface Antigens