HIV hospital seroprevalence study guidelines.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology; D000293:Adolescent; D000328:Adult; D015658:HIV Infections / Q000453:epidemiology; D015528:HIV Seroprevalence; D006761:Hospitals / Q000592:standards; D006801:Humans; D008875:Middle Aged