Update: acquired immunodeficiency syndrome (AIDS)--worldwide.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005260:Female; D014943:Global Health; D006716:Homosexuality; D006801:Humans; D007275:Injections, Intravenous; D007391:International Cooperation; D008297:Male; D011159:Population Surveillance; D012737:Sex Factors; D019966:Substance-Related Disorders / Q000150:complications