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An example of dramatic reconstitution of the FDC network after triple therapy. Serial tonsil biopsies from an HIV-1-infected patient before treatment (A) and 6 months after (B) treatment. Five-millimeter tissue sections were stained with CD35 mAb (Dako) and Vector Red substrate (Vector Laboratories). The absolute peripheral CD4 cell counts of this patient were 40 and 170 per mm3 before treatment and 6 months after treatment.
