LYMPHOCYTES IN PATIENTS WITH CHRONIC ACTIVE EPSTEIN-BARR VIRUS INFECTION EXHIBITED ELEVATED PD-1/PD-L1 EXPRESSION AND A PREVAILING TH2 IMMUNE RESPONSE.: EPSTEIN-BARR VIRUS INFECTION EXHIBITED ELEVATED PD-1/PD-L1. Mediterr J Hematol Infect Dis [Internet]. 2024 Apr. 30 [cited 2026 May 18];16(1):e2024037. Available from: https://www.mjhid.org/mjhid/article/view/5551