title: Poorest forgotten in a richer world.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000191:economics / Q000453:epidemiology* / Q000628:therapy*; D003695:Delivery of Health Care / Q000458:organization & administration*; D014943:Global Health / Q000639:trends*; D006801:Humans; D011203:Poverty; D012959:Socioeconomic Factors