in contrast to convalescent hepatitis b patients , who exhibit the ability to elicit a specific immune response to hbsag , patients with chronic hepatitis b virus ( hbv ) infection are markedly hyporesponsive to hbsag and show a decrease in the normal ratio of okt4-positive ( helper/inducer ) to okt8-positive ( suppressor/cytotoxic ) lymphocytes .
C0019163
hepatitis b
C0019168
hbsag