白喉是一种严重威胁儿童健康的急性传染病,病死率高,为控制白喉的发生,保护儿童的身体健康,从一九六三年有计划有步骤的采取接种一片,免疫一片,巩固一片的办法提高了儿童的(7岁以下)免疫水平,最终消灭了白喉。白喉发病率(每十万人)一九六三年为42.1,六四年23.8,六五年4.9,六六年3.0,六七年1.2,六九年3.7, Diphtheria is an acute infectious disease that seriously threatens the health of children and has a high case fatality rate. To control the occurrence of diphtheria and protect the health of children, diphtheria was taken in a planned and step-by-step manner in 1963 to immunize and consolidate The approach raised children’s immunization (under 7 years of age) and eventually eliminated diphtheria. The incidence of diphtheria (per 100,000 population) was 42.1 in 1963, 23.8 in 644, 4.9 in 1960, 660 in 3.06, 1.2 in 1997, 6.9 in 3.7 in 1960,