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目的了解贵州省2007-2016年戊型病毒性肝炎(简称戊肝)流行特征和趋势,提出重点防控的地区及人群。方法用描述性流行病学方法分析贵州省2007-2016年戊肝发病数据。结果贵州省2007-2016年共报告戊肝病例3 585例(死亡1例),平均发病率为0.994/10万。2016年定基发展速度为676.8%,年平均发展速度为123.7%;3-6月份报告病例占39.05%(1 400/3 585),除冬春季高峰外2009、2011及2016还有1个6-8月份发病小高峰;35~55岁年龄段高发占50.91%,男女发病数性别比为1.93∶1,以农民、离退人员、家务及待业人员发病为主,分别占43.35%、9.96%、9.68%;贵阳市、安顺市、黔东南州发病率较高,分别为2.355/10万、1.245/10万、1.030/10万。结论贵州省戊肝病例自2011年后增长迅速,35~55岁的农民、离退人员、家务及待业人员是主要发病人群,2-4月及6-8月是防控的重点季节。
Objective To understand the epidemiological characteristics and trends of hepatitis E in Guizhou Province from 2007 to 2016 and to put forward key prevention and control areas and populations. Methods Descriptive epidemiological method was used to analyze the incidence of hepatitis E in Guizhou province from 2007 to 2016. Results A total of 3 585 hepatitis E cases (1 death) were reported in Guizhou Province from 2007 to 2016 with an average incidence of 0.994 / 100 000. In 2016, the rate of fixed base development was 676.8%, with an average annual growth rate of 123.7%; the number of reported cases in March-June was 39.05% (1 400/3 585), and in addition to the spring and winter peak 2009, 2011 and 2016, there was one 6- The incidence of small peak in August was 35.91% in the age group of 55-55 years, and the ratio of male to female was 1.93:1. The incidence of peasants, retirees, housework and unemployed were mainly 43.35% and 9.96% 9.68%. The incidence rates of Guiyang, Anshun and Qiandongnan were higher with 2.355 / 100000, 1.245 / 100000 and 1.030 / 100000 respectively. Conclusion The cases of hepatitis E in Guizhou province have been growing rapidly since 2011. The peasants, retirees, domestic workers and unemployed persons aged 35-55 are the major disease victims. The 2-4 months and 6-8 months are the key prevention and control season.