U.N.: AIDS likely to kill half of teens in worst-hit nations.
D000163:Acquired Immunodeficiency Syndrome; D004194:Disease; D004196:Disease Outbreaks; D015658:HIV Infections; D007390:International Agencies; D009938:Organizations; D014480:United Nations; D014777:Virus Diseases
Acquired Immunodeficiency Syndrome; Diseases; Epidemics; Hiv Infections; International Agencies; Organizations; Un; Unaids; Viral Diseases; World