疫苗已经挽救了数百万人的生命,远胜于任何其它医学干预手段,其机理是激活机体的自然防护能力以预防感染。同样地,各种兽医疫苗也在保护着我们的家畜和宠物。从一开始起,疫苗就是被生产来预防传染病,到目前为止,这个目标仍然是重要的。但是,今天,在使用疫苗来控制非传染性疾病,比如一些类型的癌症和阿尔茨海默氏病、可 Vaccines have saved the lives of millions of people far outweigh any other medical intervention by activating the body’s natural defensive ability to prevent infection. Likewise, a variety of veterinary vaccines are also protecting our livestock and pets. From the very beginning, vaccines have been produced to prevent infectious diseases, which is still important to date. However, today, the use of vaccines to control non-communicable diseases, such as some types of cancer and Alzheimer’s disease,