Characteristics, Determinants, and Clinical Relevance of CD4 T Cell Recovery to <500 Cells/ L in HIV Type 1--Infected Individuals Receiving Potent Antiretroviral Therapy

Individuals with incomplete CD4 T cell recovery to <500 cells/microL had more advanced HIV-1 infection at baseline. CD4 T cell changes during the first 3-6 months of ART already reflect the capacity of the immune system to replenish depleted CD4 T lymphocytes.