1. This is called active immunity.

2. Objective To explore the long-term effect of anti-HBV active immunity on chronic HBV infected patients with normal hepatic function.

3. The rats in pure injury group did not perform active immunity.

4. Methods Guinea pig animal model of experimental allergic orchitis(EAO) was created by active immunity to observe the qualitative changes of spermatogenic cells in testes and sperm in cauda epididymis.

5. Conclusion HAS coordinated with the radiotherapy to cure the cancer patients many functions such as coordination, increasing sensibility snd active immunity to cancer.