title: Immune response.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control; D006678:HIV / Q000276:immunology*; D049673:History, 20th Century; D006801:Humans; D014612:Vaccines; D014614:Vaccines, Synthetic
chemical_list: D014612:Vaccines; D014614:Vaccines, Synthetic