title: AIDS vaccines: is older better?
authors: J
authors: J
authors: Cohen
mesh_terms: D016915:AIDS Vaccines; D000163:Acquired Immunodeficiency Syndrome / Q000276:immunology* / Q000382:microbiology; D000818:Animals; D016679:Genome, Viral; D006678:HIV / Q000235:genetics* / Q000276:immunology; D006801:Humans; D008253:Macaca mulatta; D015302:Simian Immunodeficiency Virus / Q000235:genetics / Q000276:immunology; D014613:Vaccines, Attenuated; D014614:Vaccines, Synthetic
chemical_list: D016915:AIDS Vaccines; D014613:Vaccines, Attenuated; D014614:Vaccines, Synthetic