2009-2020年桐柏县麻疹流行特征分析

Analysis on epidemiological characteristics of measles,Tongbai county,2009-2020

目的了解桐柏县麻疹流行病学特征,为实现消除麻疹目标提供策略。方法通过《中国疾病预防控制信息系统》,对2009-2020年桐柏县麻疹疫情进行描述流行病学统计分析。结果2009-2020年桐柏县共报告163例麻疹病例,2011年、2012年、2019年和2020年未发病,2009年、2015年发病率较高,分别为17.92/10万、6.35/10万,发病人群集中在散居儿童和0剂次免疫史群体,散居儿童发病占总发病例数的73.62%,与其他人群差异有统计学意义(P<0.01)。发病时间集中在2~4月份(占58.89%),高发地区在城关镇、城郊乡等人口集聚和城乡结合部(占63.80%)。结论桐柏县麻疹发病自2009年强化免疫后逐年下降,仍存在波动性。

Objective To understand the epidemiological characteristics of measles in Tongbai county,so as to provide strategies for achieving the goal of eliminating measles.Methods Through the China Disease Prevention and Control Information System,the measles cases in Tongbai county during 2009-2020 was analyzed by descriptive epidemiology.Results A total of 163 cases of measles were reported in Tongbai county during 2009-2020.There was no cases of measles in 2011,2012,2019,and 2020.The incidence in 2009 and 2015 was relatively high,being 17.92/10^(5) and 6.35/10^(5) respectively.The affected population was concentrated in scattered children and groups with a history of 0 doses of immunization,scattered children cases accounted for 73.62%(χ^(2)=6.4,P<0.01),which was statistically significant different from the case number of other populations.The onset time was concentrated in February to April(58.89%),and the high incidence areas were in the population agglomeration and urban-rural fringe areas such as Chengguan town and Chengjiao township.Conclusion The incidence of measles in Tongbai county has been declining year by year after immunization in 2009,and there is still fluctuation.