传统的观念认为,免疫是机体对病原微生物及其有害产物(毒素)的不同程度的抵抗力。即机体抗感染的防御功能。人们根据免疫学的原理:用微生物或其产物(毒素)、人或动物血液或组织液制成了人工免疫的有力武器——生物制品。由于人工免疫种类的不同,使用生物制品也有区别。人工自动免疫——采用人为的方法接种菌苗、疫苗、类毒素等免疫原(即生物制品),使人体自动产生特 The traditional view is that immunity is the body’s resistance to pathogenic microorganisms and their harmful products (toxins) to varying degrees. The body’s defense against infection. According to the immunological principle, people make biological weapons of artificial immunity with microorganisms or their products (toxins), human or animal blood or tissue fluid. Due to the different types of artificial immune use of biological products are also different. Artificial autoimmune - Vaccines, vaccines, toxoids and other immunogens (ie, biological products) are artificially ingested, so that the human body automatically produces special