陕西省高陵县1991—2007年甲型病毒性肝炎发病趋势

Incidence Trend of Hepatitis A in Gaoling County of Shaanxi Province during 1991—2007

目的了解陕西省高陵县甲型病毒性肝炎(简称甲肝)动态变化趋势。方法利用该县疫情年报资料,进行回顾性流行病学分析。结果18年报告甲肝1672例,占肝炎发病的24.40%,均为散发,发病率最高达439.8/10万,年均报告98.4例,最低为2007年,仅7例;与全国比较,相关系数为0.8462。发病率呈明显下降趋势。结论该县属甲肝的低流行区,但仍应加强疫苗接种。

[ Objective] To study the dynamic changes trend of Hepatitis A in Gaoling County of Shaanxi Province. [ Methods] The data of annual epidemic situation report were analyzed by retrospective epidemiotogy. [ Results] 1672 Hepatitis A cases were reported in 18 years, accounted for 24.40% of all kinds of hepatitis. All patients were sporadic cases. The highest morbidity rate was 439.8/lakh, and the average annual reported cases was 98.4 case. The lowest morbidity rate was 7 cases in 2007. Compared with the countrywide morbidity rate, the correlation coefficient was 0. 8462. The morbidity rate had been declined obviously. [ Conclusion] The prevalence rate of hepatitis A was low in GaoIing County, but the immunity should be strengthened.