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目的了解开封市顺河回族区2009年甲型H1N1流感(以下简称甲流)的流行病学特征,为防控提供依据。方法采用描述流行病学分析方法,对2009年甲流报告病例的流行特征进行分析。结果 2009年通过大疫情网络报告顺河区甲流病例28例,报告发病率为10.84//10万,均为轻症病例,无死亡病例;无聚集性疫情。突发公共卫生事件1起。9月、11月有两个高峰,11月最多占总病例数的46.43%;城区发病人数多于农村,占总病例数的96.43%;发病以10～20岁学生为主;男女性别比为1.55:1。结论该区甲流病例以本地感染为主,应加强在流行期实施对学校等集体单位的监测,以防控聚集性疫情发生。
Objective To understand the epidemiological characteristics of 2009 H1N1 Influenza A (hereinafter referred to as “A”) in the Shunhe District of Kaifeng City for providing the basis for prevention and control. Methods The descriptive epidemiological analysis method was used to analyze the epidemiological characteristics of reported cases of H1N1 in 2009. Results In 2009, 28 cases of H1N1 cases in Shunhe District were reported through a large epidemic situation network. The reported incidence rate was 10.84 / 100000, all of which were mild cases and no deaths. Public health emergencies from 1. There were two peaks in September and November, up to 46.43% of the total number of cases in November; the incidence in urban areas was more than that in rural areas, accounting for 96.43% of the total number of cases; the incidence was mainly among students aged 10 to 20 years; 1.55: 1. Conclusions A / H1N1 prevalence in this area is mainly local. It is necessary to strengthen the monitoring of collective units such as schools during the epidemic to prevent the occurrence of cluster epidemic.