title: Hepatitis B vaccine: a safe and effective method for preventing infection with hepatitis B and delta agent.
mesh_terms: D006509:Hepatitis B / Q000517:prevention & control*; D017325:Hepatitis B Vaccines; D003699:Hepatitis D / Q000517:prevention & control*; D006801:Humans; D007114:Immunization; D009657:North Carolina; D009784:Occupational Diseases / Q000517:prevention & control*; D014761:Viral Hepatitis Vaccines
chemical_list: D017325:Hepatitis B Vaccines; D014761:Viral Hepatitis Vaccines