Leads from the MMWR. Update: acquired immunodeficiency syndrome--Europe.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D000293:Adolescent; D000328:Adult; D000349:Africa / Q000208:ethnology; D002648:Child; D005060:Europe; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D014900:West Indies / Q000208:ethnology; D014944:World Health Organization