Acquired immunodeficiency syndrome (AIDS) in 1989.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000209:etiology / Q000635:transmission; D000293:Adolescent; D000328:Adult; D001803:Blood Transfusion; D002648:Child; D002675:Child, Preschool; D005260:Female; D006716:Homosexuality; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D011248:Pregnancy Complications; D012307:Risk Factors; D015819:Substance Abuse, Intravenous / Q000150:complications; D014481:United States