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预防接种是人类发展史上预防疾病最经济、最有效的方法,而且发生严重不良反应的机率极低,因此其可以有效的控制甚至根除传染病,比如“天花”和“小儿麻痹”的消灭,麻疹、乙肝等疾病的控制就是预防接种的成果,更是公共卫生界的骄傲。
Vaccination is the most economical and effective way to prevent disease in the history of human development, and its probability of serious adverse reactions is so low that it can effectively control or even eradicate infectious diseases such as “smallpox” and “polio” The elimination of measles, hepatitis B and other diseases control is the result of vaccination, but also the pride of the public health sector.