内江市2005年1月—2007年6月麻疹疫情分析

目的探讨某市麻疹流行规律,以制定相应的防治对策。方法对该市2005年1月—2007年6月麻疹病例资料进行分析。结果调查期间共报告麻疹病例847例,2005年发病率为2.18/10万,2006年发病率为3.14/10万,2007年（1—6月）发病率为14.98/10万。4-6月份为发病高峰期,病例数占总病例数的83.83%（710/847）;2006年4—6月发病数比2005年4—6月同比增长36.73%,2007年4—6月发病数比2006年4—6月同比增长786.57%。近3年麻疹发病均以农村乡镇为主,累计占93.62%（793/847）,显著高于城市的麻疹发病率6.38%（χ2=21.47,P〈0.01）。病例发病年龄为5个月-39岁,以8个月-10岁儿童为主,占总病例数的54.43%（461/847）;〈8个月及〉20岁者发病率有所上升,分别占总病例数的11.33%（96/847）和25.27%（214/847）。结论该市近3年麻疹发病率呈逐年增加,尤以2007年增加特别显著;以农村乡镇人群为主,提示应加强重点地区、重点人群的基础免疫工作并及时复种。

Analysis on measles epidemic situation between January 2005 and June 2007 in Neijiang City

Objective To evaluate the regularity of measles epidemic situation in a city, so as to set up correspond ing prevention and treatment strategies. Methods Data about measles cases between January 2005 and June 2007 in a city was analyzed. Results Eight hundred and forty-seven measles cases were investigated, the morbidity in 2005, 2006 and 2007 （between January and June） was 2. 18/100000, 3. 14/100000 and 14. 98/100000 respectively. The peak period for the occurrence of measles was between April and June, accounting for 83.83 % （710/847） of the total cases, the number of the cases between April and June in 2006 increased by 36. 73% than that of the same period in 2005, and increased by 786. 57% in 2007 titan that of the same period in 2006. During 3 years, measles was mainly occurred in population in rural and town, accounting for 93. 62% （793/847） in total, which was obviously higher than the morbidity of 6. 38% in city population （x^2=21.47, P〈0. 01 ）, age of measles occurrence was 5 months -39 years old, the majority were children aged 8 months - 10 years old, accounting for 54. 43 % （461/847） of the total cases; The morbidity rose a little in children 〈8 months and 〉20 years old, accounting for 11.33%（96/847） and 25.27G （214/847） of the total cases. Conclusion The occurrence of measles in recent 3 years increased year by year, especially in 2007, rural and town population were the main occurrence population, the basic immunization in key area and key population should be intensified and repeated vaccine immunization should be strengthened.