| 一起甲型肝炎局部流行的流行病学调查分析 |
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| 引用本文： | 钟民荣,钟马兴,郭昌禄,钟晓芳,严娟. 一起甲型肝炎局部流行的流行病学调查分析[J]. 疾病监测, 2008, 23(3): 191-192. DOI: 10.3784/j.issn.1003-9961.2008.03.021 |
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| 作者姓名： | 钟民荣 钟马兴 郭昌禄 钟晓芳 严娟 |
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| 作者单位： | 1.江西省瑞金市疾病预防控制中心,江西,瑞金,342500 |
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| 摘 要： | 采用现场流行病学调查方法,分析万田乡一起甲型肝炎局部流行的流行特征和影响因素.整个甲肝疫情历时89d,发病35例,发病率274.36/10万,与前8年平均发病率相比增长2864.94%,以5～10岁小学生和幼托儿童为主,并在病例密切接触者中检出HAV-IgM阳性54人,阳性率28.57%.认为整个疫情系通过日常生活接触传播,甲肝患者和无症状感染者均是重要的传染源,开展丙种球蛋白应急接种对控制甲肝流行起着关键性作用.
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| 关 键 词： | 肝炎 甲型 疫情 流行病学 |
| 文章编号： | 1003-9961(2008)03-0191-02 |
| 收稿时间： | 2007-08-31 |
| 修稿时间： | 2007-08-31 |
Epidemiological survey and analysis of a locally prevalent epidemic of hepatitis A |
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| ZHONG Min-rong,ZHONG Ma-xing,GUO Chang-lu,ZHONG Xiao-fang,YAN Juan. Epidemiological survey and analysis of a locally prevalent epidemic of hepatitis A[J]. Disease Surveillance, 2008, 23(3): 191-192. DOI: 10.3784/j.issn.1003-9961.2008.03.021 |
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| Authors: | ZHONG Min-rong ZHONG Ma-xing GUO Chang-lu ZHONG Xiao-fang YAN Juan |
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| Affiliation: | 1.YAN Juan. Ruijin Municipal CDC of Jiangxi Province;Ruijin 342500 China |
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| Abstract: | The epidemiologic field investigation was conducted to analyze the epidemiological characteristics and influencing factors of an epidemic of hepatitis A that was locally prevalent in Wantian township of Ruijin city. The incidence rate of this 89-day epidemic was 274.36/lakh, with 35 hepatitis A cases reported, showing an increase of 2864.94% compared with the average incidence of the past 8 years. The 5-to-10-year-old primary students and pre-school children were mostly affected in the epidemic. In close contact with the patients, 54 people were found HAV-IgM positive, the positive rate being 28.57%. It was believed that the epidemic was transmitted through casual contact. Hepatitis A and asymptomatic infected patients were the key sources of infection. The emergent inoculation of gamma globulin was critical in the control of hepatitis A. |
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| Keywords: | hepatitis A epidemic epidemiology |
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