2004-2009年攀枝花市麻疹流行病学特征分析

Epidemiological Characteristics of Measles in Panzhihua,2004-2009

目的分析2004-2009年攀枝花市麻疹监测系统的麻疹流行病学特征。方法收集攀枝花市2004-2009年麻疹专病监测资料,采用描述性流行病学方法进行分析。结果 2004-2009年麻疹发病呈现为2个高峰,2004年报告麻疹413例,报告发病率38.75/10万,其中225例为暴发病例;2007年麻疹报告643例,报告发病率59.54/10万;2009年发病降到历史最低水平,为0.92/10万。以每年12月至次年2月为发病高峰;病例主要集中在城乡结合部和边远少数民族地区;总体以15岁以下儿童发病为主,但小于8月龄和大于15岁病例所占比例有逐年增加趋势;麻疹病例中无免疫史的和免疫史不详的占全部麻疹病例的66.32%,流动人口麻疹病例中有免疫史的占其病例的10.68%。结论 2004-2009年攀枝花市麻疹发病率波动较大,总体呈下降趋势,发病出现明显的季节分布,病例中无免疫史和免疫史不详比例较高。

Objective To analyze the epidemiological characteristics of measles in Panzhihua under measles surveillance system from 2004 to 2009.Methods Data from national notifiable disease reporting system and the measles surveillance system from 2004 to 2009 was collected and analyzed by the method of descriptive epidemiology.Results The incidence of measles presented two peaks during 2004-2009.In 2004,413 cases of measles were reported,reported incidence rate was 38.75/105,im which 225 cases for outbreak;643 cases of measles were resported in 2007,reported incidence rate was 59.54/105;by the year of 2009,incidence dropped by historically lowest level,as 0.92/105.The incidence peaked from December to the next February.Cases were mainly concentrated in urban and remote ethnic minority areas.The overall incidence of measles mainly occurred in children under the age of 15,but the incidence in cases less than 8 months old and more than 14 years old were increased by years.Measles cases with no vaccination history and unknown vaccination history accounted for 66.32%,and 10.68% cases in floating population had vaccination history.Conclusion The incidence of measles in Panzhihua City from 2004 to 2009 presented fluctuation and an overall downward trend,the distribution were seasonal.The proportion of cases with no vaccination history and unknown vaccination history was high.