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白喉是一种急性呼吸道传染病，流行范围广泛，严重威胁儿童的身体健康和生命。我省在计划免疫工作开展前，中位数发病率、病死率50年代分别为16.59／10万、13.20％。60年代分别为19.57／10万、9.36％，70年代分别为7.25／10万、7.84％;在计划免疫工作开展后的80年代，中位数发
Diphtheria is an acute respiratory infectious disease with a wide range of epidemics that seriously threaten the health and life of children. Before the start of planned immunization work in our province, the median morbidity and mortality rate were respectively 16.59 / 100,000 and 13.20% in the 1950s. 19.57 / 10 million and 9.36% in the 1960s and 7.25 / 100000 and 7.84% in the 1970s respectively. In the 1980s after the planned immunization work, the median