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Innate and B-cell immune responses are not affected by preexposure prophylaxis (PrEP). A, Frequencies of total, cytotoxic (CD56dimCD16+), cytokine-secreting (CD56hiCD16−), and exhausted (CD56−CD16+) natural killer (NK) cells and B, B-cell (CD19+), myeloid dendritic cell (mDC; CD11c+), and plasmacytoid dendritic cell (pDC; CD123+) frequencies for PrEP and placebo recipients.
