Serum immunoglobulin values and lymphocyte subsets in HLH-EBV and HMB-CAEBV episodes related to EBV infection.

Abbreviations: NA, not available; ↓ or ↑, below or above the normal range, respectively.aNormal ranges were from Stiehm RE. Immunologic Disorders in Infants and Children. 6th ed. Philadelphia, PA: Philadelphia Press, 2003.bNormal percentages were from Ref. 25.*Memory CD4+ T cell lymphocyte percentage = CD4+CD45RO+/CD4+CD45RO+ and CD4+CD45RO−; Memory CD19+ B cell lymphocyte percentage = CD19+CD27+/CD19+CD27+ and CD19+CD27−; Activated lymphocyte percentage = CD2+HLADR+/all lymphocytes.