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Data from each patient (n = 8) displayed in paired graphs. Upper panel indicates CSF and plasma viral load, and CD 4+ T-cell count. Lower panel shows concentrations of neopterin and β2-microglobulin in CSF and serum. Dotted line in upper panel indicates 50 (1.70 log10) HIV-1 RNA copies/mL. Time on X-axis in weeks.
