HLA-A2-positive and HLA-A2-negative patient characteristics.

AEstimated week from infection. BSubject who developed broad HLA-A2 restricted responses. CSubjects who developed narrow HLA-A2-restricted CTL responses against SL9, after primary infection.A：感染后预估周数。 B：产生广泛人类白细胞抗原A2（HLA-A2）限制性应答的受试者。 C：原发性感染后针对SL9产生窄谱人类白细胞抗原A2（HLA-A2）限制性细胞毒性T淋巴细胞（CTL）应答的受试者。