title: AIDS vaccine 'needs focused effort' as drug firms back off research.
mesh_terms: D016915:AIDS Vaccines / Q000191:economics*; D000163:Acquired Immunodeficiency Syndrome / Q000191:economics / Q000453:epidemiology / Q000628:therapy; D000818:Animals; D003906:Developing Countries; D004195:Disease Models, Animal; D004345:Drug Industry / Q000191:economics*; D005060:Europe; D006801:Humans; D009316:National Institutes of Health (U.S.); D012109:Research Support as Topic; D014481:United States
chemical_list: D016915:AIDS Vaccines