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张如凯郑严怀(怀远县卫生防疫站)1982年以来我县脊髓灰质炎(简称脊灰)发病呈明显下降趋势,但1989～1991年发生57例,平均发病率为1.83/10万;病例以散发病为主,全县14个区疫情波及12个区,但亦有相对集中的;全年均有病例发生,8～9月占42.1％、1～3月占24.6％;患者最大年龄3岁、最小3个月,一岁组病例占52.6％。在流行因素调查中发现有45.6％未服苗、进行一程接种占31.6％、二程接种占8.8％、完成三程接种的仅有12.3％、有一例接种史不详。由此可见,计划免疫落实不利是造成脊灰流行的根本原因,其次疫情报告不及时,在24小时内进行报告的仅有2例,最长
Zhang Rukai Zheng Yanhuai (Huaiyuan County Health and Anti-Epidemic Station) Since 1982, the incidence of poliomyelitis in our county has dropped significantly, but in 57 cases from 1989 to 1991, the average incidence rate was 1.83 / 100000. Cases of sporadic cases Mainly in the county 14 districts affected 12 districts, but there are also relatively concentrated; all cases occur, from August to September accounted for 42.1%, 1 to March accounted for 24.6%; the maximum age of patients 3 years old, A minimum of 3 months, one year old group accounted for 52.6%. In the epidemiological survey found that 45.6% of unmanaged seedlings, 31.6% for one-way inoculation, 8.8% for two-way inoculations, and only 12.3% for three-way inoculations, with an unknown history of vaccination. This shows that the implementation of planned immunization is the root cause of poliomyelitis, followed by the outbreak report is not timely, only 24 cases reported within 24 hours, the longest