Immunologic and virologic effects of MMF intensification. Fig. 1A shows subjects initially assigned blinded placebo (light grey) who later elected to receive open-label MMF (grey). Fig. 1B shows those assigned blinded MMF (gray) who elected open-label MMF during weeks 4–24 (hatched grey). L.o.d.: limit of detection (< 50 HIV-1 RNA copies/ml).