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预防接种是贯彻“预防为主”卫生工作方针的重要措施之一。它是平时、战时控制或消灭某些传染病,保护军民身体健康的有效方法,也是粉碎敌人细菌战争的有力武器。所谓预防接种,就是将生物制品接种到人体内,使机体产生对某种传染病的免疫力,以达到预防传染病的目的。现在用于预防和治疗的生物制品已有40余种。目前,由于免疫学的研究进展,为生物制品的生产发展提出了新的认识和途径,过去在预防接种问题上不甚了解的现象也进一步得到解决。比如机体特异性免疫中淋巴细胞的演变和活性,T淋巴细胞参与细胞免疫,产生多种激活因子以抵抗感染,B淋巴细胞转化为浆细
Vaccination is one of the important measures to implement the “prevention-based” approach to health work. It is an effective method of controlling or eliminating certain infectious diseases in peacetime and protecting the health of civilians and civilians. It is also a powerful weapon to smash the enemy’s bacterial war. The so-called vaccination, is the biological products inoculated into the body, so that the body produces a certain kind of infectious disease immunity, in order to achieve the purpose of preventing infectious diseases. More than 40 biological products are currently used for prevention and treatment. At present, due to the advances in immunology, new understandings and approaches have been put forward for the production and development of biological products. In the past, the phenomenon of lack of understanding on vaccination was further solved. Such as the evolution and activity of lymphocytes in body-specific immunity, T-lymphocytes are involved in cellular immunity, produce a variety of activators to combat infection, B lymphocytes into thin