title: The hepatitis B vaccine: background and foreground.
mesh_terms: D002353:Carrier State; D006509:Hepatitis B / Q000175:diagnosis / Q000382:microbiology / Q000503:physiopathology / Q000517:prevention & control*; D017325:Hepatitis B Vaccines; D006515:Hepatitis B virus / Q000276:immunology / Q000502:physiology; D006801:Humans; D014611:Vaccination; D014765:Viral Vaccines / Q000627:therapeutic use*
chemical_list: D017325:Hepatitis B Vaccines; D014765:Viral Vaccines