2009—2018年巴中市通江县病毒性肝炎流行病学特征

Epidemiological characteristics of viral hepatitis in Tongjiang County of Bazhong City from 2009-2018

目的了解巴中市通江县病毒性肝炎流行特征及趋势,为制定防治策略提供依据。方法对2009-2018年巴中市通江县病毒性肝炎病例进行流行病学特征分析。结果2009-2018年病毒性肝炎发病率从325.50/10万下降到74.05/10万,年均下降17.88%;分型顺次为乙型肝炎8107例(92.87%)年均下降18.25%,甲型肝炎201例(2.30%)年均下降17.23%,丙型肝炎187例(2.14%)年均下降2.25%,未分型肝炎175例(2.01%)年均下降7.32%,戊型肝炎58例(0.67%)年均上升10.33%,丁型肝炎1例(0.01%)年均下降100.00%。发病男女性别比为1∶0.64(5322/3407),前5位人群分类为农民6115例(70.05%),学生569例(6.52%)、家务及待业508例(5.82%)、不详307例(3.52%)和其他214例(2.45%)。以诺江镇城区发病数、发病率为主,分别为2045例(23.43%)、236.84/10万。结论2009-2018年巴中市通江县病毒性肝炎发病率快速走低后波动下降,乙型肝炎发病数较多,戊型肝炎发病呈散在性上升,必须加强目标人群健康教育和预防接种,提高病毒性肝炎诊断和网络直报准确率,控制病毒性肝炎传播和蔓延。

Objective To understand the epidemiological characteristics and trends of viral hepatitis in Tongjiang County of Bazhong City,provide basis for formulating prevention and control strategies.Methods The epidemiological characteristics of viral hepatitis cases in Tongjiang County of Bazhong City from 2009-2018 were analyzed.Results The incidence of viral hepatitis decreased from 325.50/lakh to 74.05/lakh from 2009-2018,with the average annual decrease of 17.88%.For the typing,there were 8107(92.87%)cases of hepatitis B with the average annual decrease of 18.25%,201(2.30%)cases of hepatitis A with the average annual decrease of 17.23%,187(2.14%)cases of hepatitis C with the average annual decrease of 2.25%,175(2.01%)cases of undifferentiated hepatitis with the average annual decrease of 7.32%,58(0.67%)cases of hepatitis E with the average annual increase of 10.33%,and 1(0.01%)case of hepatitis D with the average annual decrease of 100.00%.The sex ratio was1∶0.64(5322/3407).The top five groups were 6115(70.05%)cases of farmers,569(6.52%)cases of students,508(5.82%)cases of housework and unemployment,307(3.52%)cases of unknown and 214 others(2.45%).The case number and incidence in urban area of Nuojiang Town were the highest,which were 2045 cases(23.43%)and 236.84/lakh,respectively.Conclusion From2009-2018,the incidence of viral hepatitis has declined rapidly in Tongjiang County of Bazhong City,and then shows fluctuation decline.The absolute number of hepatitis B cases is relatively large,and the incidence of hepatitis E increases dispersedly.It is necessary to strengthen health education and vaccination of target population,improve the accuracy of diagnosis and direct network reporting of viral hepatitis,and control the spread of viral hepatitis.