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预防接种是指根据疾病预防控制规划,利用疫苗,按照国家规定的免疫程序,由合格的接种技术人员,给适宜的对象进行接种,提高人群免疫水平,以达到预防和控制针对传染病发生和流行的目的。预防接种工作是卫生事业成效最为显著、影响最为广泛的工作之一,也是各国预防控制传染病最主要的手段。通过预防接种,全球已经成功消灭了天花;大多数国家和地区已经阻断了脊髓灰质炎(小儿麻痹)野病毒传播;全球因白喉、百日咳、破伤风和麻疹导致的发病、致残与死亡也显著下降。
Vaccination refers to the use of vaccines in accordance with the disease prevention and control programs, vaccination in accordance with state regulations, by qualified vaccination technicians, to the appropriate target vaccination to improve the level of population immunization in order to achieve the prevention and control of infectious diseases and epidemic the goal of. Vaccination work is one of the most significant and influential work in health undertakings. It is also the most important means of prevention and control of infectious diseases in all countries. Smallpox has been successfully eliminated in the world through vaccination; in most countries polio (polio) transmission has been blocked; morbidity, disability and death due to diphtheria, whooping cough, tetanus and measles worldwide Decreased significantly.