From the Centers for Disease Control. Unexplained CD4+ T-lymphocyte depletion, persons without evident HIV infection.
D015492:AIDS Serodiagnosis; D000163:Acquired Immunodeficiency Syndrome / Q000382:microbiology*; D000328:Adult; D000368:Aged; D015496:CD4-Positive T-Lymphocytes; D005260:Female; D006679:HIV Seropositivity / Q000453:epidemiology; D006801:Humans; D007958:Leukocyte Count; D008297:Male; D008875:Middle Aged; D009894:Opportunistic Infections / Q000276:immunology*; D014481:United States / Q000453:epidemiology