title: [Trends in research in developing new type of vaccines--aiming at efficacy and safety. HTLV vaccine].
mesh_terms: D000818:Animals; D017977:Deltaretrovirus / Q000235:genetics / Q000276:immunology*; D006800:Deltaretrovirus Infections / Q000517:prevention & control*; D004341:Drug Evaluation; D005822:Genetic Vectors; D006801:Humans; D014614:Vaccines, Synthetic; D014616:Vaccinia virus / Q000235:genetics; D014765:Viral Vaccines / Q000276:immunology
chemical_list: D014614:Vaccines, Synthetic; D014765:Viral Vaccines