title: How drugs act. 25. Biological drugs and vaccines.
mesh_terms: D001424:Bacterial Infections / Q000517:prevention & control; D001688:Biological Products / Q000627:therapeutic use*; D006801:Humans; D014612:Vaccines; D014777:Virus Diseases / Q000517:prevention & control
chemical_list: D001688:Biological Products; D014612:Vaccines