The cytotoxic rates of the effector cells on the target cells in group of mice immunized with BCG,pTB30s and the control group of mice with injection of saline were 28.14%,45.18% and 5.13% respectively.

• CTL杀伤实验:BCG、pTB30s及NS对照组杀伤率分别为28.；14%25、45