High level of PD-1 expression on hepatitis C virus (HCV)-specific CD8+ and CD4+ T cells during acute HCV infection, irrespective of clinical outcome

High level of PD-1 expression on hepatitis C virus (HCV)-specific CD8+ and CD4+ T cells during acute HCV infection, irrespective of clinical outcome. by Kasprowicz, V, Schulze Zur Wiesch, J, Kuntzen, T, Nolan, B, Longworth, S, Berical, A, Blum, J, McMahon, C, Reyor, L, Elias, N, Kwok, W, McGovern, BG, Freeman, G, Chung, RT, Klenerman, P, Lewis-Ximenez, L, Walker, B, Allen, T, Kim, A, Lauer, G