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Table 1 Age-specific ART eligibility criteria for children in resource poor settings. Source: World Health Organization: Antiretroviral therapy of HIV infection in infants and children in resource-limited settings: towards universal access. Recommendations for a public health approach, 2006.

From: Computed CD4 percentage as a low-cost method for determining pediatric antiretroviral treatment eligibility

Immunological marker Age in months
  ≤ 11 12 – 35 36 – 59 ≥ 60
CD4 percent* <25% <20% <15% <15%
CD4 count (cells/mm3)* <1500 <750 <350 <200
TLC (cells/mm3) <4000 <3000 <2500 <2000
  1. * valid for children aged 0 to 12 years; valid for children aged 0 to 8 years
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