title: Immune status of various populations to hepatitis B virus in Singapore and a strategy for its prevention and immunoprophylaxis.
mesh_terms: D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006509:Hepatitis B / Q000276:immunology* / Q000517:prevention & control; D006510:Hepatitis B Antibodies / Q000032:analysis; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006801:Humans; D007114:Immunization; D007223:Infant; D008297:Male; D010564:Personnel, Hospital; D012846:Singapore
chemical_list: D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens