2005-2009年广元市麻疹流行病学特征分析

Measles Epidemiology in Guangyuan,2005-2009

目的分析广元市2005-2009年麻疹流行病学特征,为消除麻疹提供依据。方法采取描述流行病学方法分析广元市2005-2009年麻疹监测资料。结果共报告1 979例病例,年均发病率12.33/10万。3~6月发病数占全年的55.06%。男女性别比1.14∶1。〈15岁病例占79.81%。无明确免疫史的占23.10%,有1剂次免疫史的占10.52%,2次及以上免疫史的占11.55%,免疫史不详的占54.35%。采集合格血清标本834例,实验室确诊病例占37.85%。暴发疫情病例占10.86%。结论 2005-2009年广元市麻疹年均发病率仍较高,且有暴发疫情发生,免疫接种率较低。

Objective To analyze the epidemiological characteristics of measles in Guangyuan from 2005 to 2009,and provide evidence for the elimination of measles.Methods The descriptive analysis was conducted on the data of measles epidemic in Guangyuan during this period.Results A total of 1 979 cases were reported,the average annual incidence was 12.33/105.The cases occurred from March to June accounted for 55.06%.The male to female ratio of the cases was 1.14∶1.The cases occurred in people under 15 years old accounted for 79.81.The cases without vaccination history,with vaccination for 1 time,with vaccination for 2 times and with unknown vaccination history accounted for 23.10%,10.52%,11.55% and 54.35% respectively.Totally 834 blood samples were taken,the laboratory confirmed cases accounted for 37.85%.The cases in outbreaks accounted for 10.86%.Conclusion The incidence of measles was still high,outbreaks occurred occasionally and vaccination coverage rate was low in Guangyuan from 2005 to 2009.