AIDS and HIV infection worldwide.
D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D002648:Child; D002675:Child, Preschool; D005260:Female; D014943:Global Health; D015658:HIV Infections / Q000453:epidemiology* / Q000635:transmission; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011159:Population Surveillance; D015995:Prevalence; D017678:Sex Distribution