Figure 4From: PD-1 expression on peripheral CD8+ TEM/TEMRA subsets closely correlated with HCV viral load in chronic hepatitis C patientsCorrelation analysis of expression of PD-1, CD38, HLA-DR and CD127 on total CD8+ T cell and its subsets with HCV plasma viral load (A) or ALT level (B) in HCV-infected patients.Back to article page