2011-2018年驻马店市恙虫病流行特征分析

Epidemic characteristic of tsutsugamushi disease in Zhumadian city from 2011 to 2018

目的分析驻马店市恙虫病流行特征,为疫情防控提供科学依据。方法采用描述性方法对2011-2018年驻马店市报告的恙虫病病例资料进行整理分析。结果2011-2018年驻马店市共报告273例恙虫病,年均发病率0.60/10万;汝南县病例占全市病例总数的69.6%;报告病例主要集中在10-11月份,11月份达到发病最高峰;男女性别比接近1;中位数年龄52.78岁(2,83),40~69岁126例,占70.79%;农民占全部病例的85.39%。结论某些地区可能已形成稳定的自然疫源地,在高发季节来临前,加强健康教育,减少人群暴露,可降低发病风险。

Objective To provide scientific basis for prevention and control of tsutsugamushi disease through analyzing the epidemic characteristics in Zhumadian city.Method Descriptive method was used to analyze the data of tsutsugamushi cases reported in Zhumadian city from 2011 to 2018.Results A total of 273 tsutsugamushi cases were reported in Zhumadian,with an average annual incidence rate 0.60 per100000.The cases in Runan county accounted for 69.6%of the total cases,which mainly concentrated in October and November,and reached the peak in November.The gender ratio was close to 1.The median age was52.78 years(2,83),and 70.79%of all cases were 40-69 age group.Farmers accounted for 85.39%of all cases.Conclusion Stable natural foci may have been formed in some areas.The risk of tsutsugamushi disease can be decreased by strengthening health education and reducing population exposure before high incidence season.