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Primate lentiviral replication in tonsillar tissue and huPBMC fitness (A) Percentage of CD4+ T cell depletion within a group or type of primate relative to CD4 T cell depletion in the mock infection/control; (B) CD4 T-cell depletion levels based on infection of tonsillar tissue in triplicate; (C) Comparing the replication in tonsillar tissue to cytopathogenicity.
