HIV infection if other clinical criteria were met. In 1993, the existing case definition for AIDS (1) was expanded to include 1) all HIV-infected persons with a CD4+ T-lymphocyte count of <200 cells/ µ L or a CD4+ T-lymphocyte percentage of total lymphocytes of <14 and 2) three additional clinical conditions
CDC Pediatric HIV Classification System symptoms Based on the experienced in lifetime and experienced in lifetime A child’s HIV classification can only become more severe or remain unchanged over time Classification system is: Useful for historical purposes Not necessarily descriptive of most recent clinical status most severe clinical category