周至县2009年麻疹暴发疫情控制措施评价

Evaluation on Control Measures of Measles Outbreak in Zhouzhi County in 2009

目的分析周至县2009年麻疹暴发流行特征和控制措施评价,提高疫情控制处理水平。方法疫情资料来自麻疹监测系统,采用ELISA捕捉法检测麻疹IgM抗体,诊断依据《西安市麻疹监测方案》。结果 2009年全县报告麻疹疑似病例61例,其中确诊42例,报告发病率为9.66/10万,散发和暴发并存,发病以<5岁儿童为主。报告病例中有MV全程免疫史仅占19.67%,无免疫史高达70.49%,免疫史不详者1.64%。暴发主要原因是部分地区MV常规免疫不落实、传染源管理不善。结论采取以常规免疫和强化免疫为主的免疫策略可控制暴发,并注意提高监测系统的敏感性和质量。

[Objective]To analyze the epidemiological characteristics and control measures of measles outbreak in Zhouzhi County in 2009,improve the level of measles control.[Methods]The epidemic data were collected from measles monitoring system,measles IgM was tested by ELISA trapping method,and measles cases were diagnosed according to Xi＇an Surveillance Scheme for Measles.[Results]Among 61 suspected measles cases,42 cases were confirmed as measles in 2009,and the reported incidence rate of measles was 9. 66/lakh. Sporadic cases and outbreak both occurred,and most of patients were children under 5 years old. Only 19. 67% of reported measles cases had accepted full dose immunization of measles vaccination （ MV） ,70. 49% had no vaccination records,and 1. 64% had dubious immunization history. The main reasons of measles outbreak were MV routine immunization was not implemented well and source of infection was not managed properly.[Conclusion]The immunization strategy which includes routine immunization and supplementary immunization can control the measles outbreak. The sensitivity and quality of surveillance system should be improved.