海南省2002～2006年麻疹监测结果分析

Analysis of results in monitoring of measles in Hainan Province from 2002 to 2006

目的分析海南省麻疹监测结果，为制定消除麻疹策略提供科学依据。方法按国家统一的麻疹监测方案开展监测工作，应用描述流行病学方法和Epiinfo软件分析监测结果。结果海南省21302～2006年麻疹监测系统报告麻疹疑似病例2550例，确诊麻疹病例2130例，确诊率为83．5％，年均发病率为5．3／10万，病死率为0.05％。监测系统报告病例数均大于大疫情报告数，采集疑似病例血标本1121例，采集率为44.0％，检测麻疹IgM抗体阳性率为61．1％，风疹IgM阳性率15．6％。发病以散发为主，局部暴发点同时存在。3～7月为高发季节；发病以15岁以下少年儿童为主，占85．3％，其中8月龄～6岁占48．0％，7～15岁占37．3％；无麻疹疫苗（简称MV）免疫史或免疫史不详儿童占83．3％。结论海南省2002～2006年麻疹监测系统保持较高敏感性，21302～2006年海南省麻疹发病处于低流行水平，无MV免疫史的少年儿童是麻疹发病的高危人群。

Objective To analyze the results of monitoring of measles in Hainan Province. Methods Monitoring work was carried out and the data of monitoring of measles were descriptively analyze by using Epiinfo software. Results There 2 550 suspected measles cases were reported by monitoring system in Hainan from 2002 to 2006 and 2 130 cases were diagnosed as measlse （83.5%） and the average annual incidence of measles was 5.3 per hundred thousand and the fatal rate was 0.05%. The number of cases reported by monitoring system＇s report was more than that of epidemic report system. 1 211 suspicious cases＇s blood samples were collected and tested. The positive rate IgM antibody to measles was 60.7 %, and that of IgM antibody to rubella was 15.6 %. The measlse cases distributed all of the province and a few local outbreaks occured in some counties every year. From March to Junly is the high occurrence time of measles and 85.3% of cases were adolescents and children under 15 years of age, 48,0% of the cases were from 8 months to 6 years old, 37.3% of cases were from 7 to 15 years old, 83.3% cases without MV vaccination history or unknown vaccination history. Conclusion The sensitivity of the measles monitoring system in Hainan Province is high and measles infection in 2002 - 2006 was low. The infection of mesleas in adolescents and chidlren is high and effective measures be taken to reduce the prevalence of measles in this population.