title: Biological drugs and vaccines.
mesh_terms: D001500:BCG Vaccine; D007112:Immunity, Maternally-Acquired; D007167:Immunotherapy; D011054:Poliovirus Vaccine, Inactivated / Q000627:therapeutic use; D012900:Smallpox Vaccine / Q000627:therapeutic use
chemical_list: D001500:BCG Vaccine; D011054:Poliovirus Vaccine, Inactivated; D012900:Smallpox Vaccine