2003-2009年陕西宁强县麻疹疫情分析

Measles in Ningqiang County,2003-2009

目的分析宁强县麻疹流行病学特征,为消除麻疹策略的制定提供科学依据。方法对2003-2009年麻疹疫情资料进行分析。结果宁强县2003-2009共报告麻疹病例409例,年平均发病率17.44/10万,病例以10～15岁学生为主,2006年之前年发病率稳定在12.62/10万以下,之后逐年上升并维持在20/10万以上,发病高峰在3～6月份,有明显的季节性,发病以集贸聚集、省县交界乡镇及农村学校为主。结论宁强县近年来麻疹发病逐渐增高,应加强基础免疫、复种免疫,提高易感人群免疫力。

Objective To provide scientific evidence for the elimination of measles by analyzing the epidemiological characteristics in Ningqiang.Methods Data of measles epidemic in Ningqiang county from 2003 to 2009 were analyzed.Results A total of 409 measles cases were reported from 2003 to 2009 in Ningqiang,and the average annual incidence rate was 17.44/105.The cases were mainly 10-15 year old students.Before 2006,the incidence rate was steady under 12.62/105;and after 2006,the incidence rate increased year by year,maintained at above 20/10^5.The peak of measles incidence is from March to June,with the obvious seasonality;concentrated in country fair along the boundary of provinces and counties,and schools in rural areas.Conclusion The incidence of measles in Ningqiang county gradually increased in recent years.The routine immunization and replanting immunization should be enhanced to improve the immunity of susceptible population.