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镇宁自治县自 1984年开展计划免疫以来 ,儿童计划免疫接种率逐年提高 ,分别通过了 1990年和 1995年以县和以乡为单位儿童免疫接种率达 85 %的审评 ,麻疹的年平均发病率由计划免疫前的 799.39/ 10万降为 44 .0 4/ 10万 ,百日咳由 32 4.0 7/ 10万降为 10 .99/ 10万 ;白喉无发病 ,脊髓灰质炎由 1.42 / 10万降为 0 .2 5 / 10万 ,1992年后无发病。由于计划免疫使传染病患病、死亡和残疾减少 ,创造经济效益 147312 45元 ,年平均效益 982 0 83元 ,投资成本与经济效益之比为 1∶ 11.6 1,创造了巨大的经济效益和社会效益 ,表明计划免疫是一项投资少、效益高的事业。
Since the planned immunization in Zhenning Autonomous County in 1984, the planned immunization coverage of children has been increasing year by year. The annual immunization coverage rate of 85% of children immunized with counties and townships was passed in 1990 and 1995 respectively. The annual average incidence of measles From pre-planned immunization of 799.39 / 100,000 to 44.040 / 100,000, and whooping cough dropped from 32 4.07 / 100,000 to 10.99 / 100,000; diphtheria-free and poliomyelitis dropped from 1.42 / 100,000 to 0 .2 5/10 million, no morbidity after 1992. As the planned immunization brought down the infectious diseases, death and disability, the economic benefit was 147,312 yuan and the annual average benefit was 982 0 83 yuan. The ratio of investment cost to economic benefit was 1: 11.6 1, which created tremendous economic benefits and social Benefit, indicating that the planned immunization is a less investment, high efficiency of the cause.