CD8A and myeloid sarcoma: To investigate the relationship between anti-EBV antibody levels and theEBV-specific CD8+ T-cell response and EBV load we used ELISA tomeasure anti-EBV antibodies in the serum in 55 out of the 56 EBV-seropositivehealthy subjects and 94 out of the 95 MS patients in whom the T-cell response wasstudied.