Figure 3.

CD8 and CD4 T-cell responses to Staphylococcal enterotoxin B months after transplantation, expressed in cells per microliter, collectively for any cytokine or degranulation marker for CD8 (A), CD4 (D), and multifunctional CD8 (B), and CD4 (C) T cells, defined as those expressing ≥2 markers. Each black dot indicates results from an individual patient, and whiskers represent minimum and maximum values. Abbreviations: AP, antiviral prophylaxis; PET, preemptive therapy; R+, cytomegalovirus-seropositive transplant recipients who received AP.