HIV rates increase among older adults.
D000328:Adult; D017677:Age Distribution; D000367:Age Factors; D000368:Aged; D005260:Female; D015658:HIV Infections / Q000175:diagnosis / Q000453:epidemiology* / Q000821:virology; D015497:HIV-1; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors