T follicular helper cells and surface molecules (ICOS, PD-1, CD40L, IL21R) were higher in chronic hepatitis C patients.
Memory B cell frequency may just be associated with liver fibrosis.
Plasma levels of Th cell cytokines were higher in CHC, except for IL-21.
A higher frequency of TFH cells existed in rapid virological responders with PEG-IFNα-based therapy.