uan                                     HCC/0000--0000            Serofast group/00 cases       Healthy group/00 cases;                              CD0(+)CD00(+) regulatory T cells in the peripheral blood and IL-00 in the serum                   Flow cytometry and ELISA   In this study, the levels of CD0(+)CD00(+) regulatory T cells in the peripheral blood and IL-00 in the serum of serofast patients, and healthy controls were compared.   00                     Shenzhen                                     HCC/0000--0000            Serofast group/00 cases       Healthy group/00 cases; Serological cure/00 cases    T-lymphocyte subset in the peripheral blood, and IL-00 and IL-00 in the serum                     Flow cytometry and ELISA   In this study, the levels of T-lymphocyte subset in the peripheral blood, and IL-00 and IL-00 in the serum of serofast patients, syphilitic patients whose serology turned negative after treatment, and healthy controls were compared.   00                     