| 侯培森,周昆,兴成良,佟奎明.东北部分地区流行性出血热疫区人群隐性感染调查[J].Chinese journal of Epidemiology,1988,9(1):29-32 |
| 东北部分地区流行性出血热疫区人群隐性感染调查 |
| The Study on Inapparent Infection in the Endemic Areas of the Wild and Domestic Rat Types EHF at Parts of North-East Areas in China |
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| DOI： |
| KeyWord: 流行性出血热 隐性感染 |
| English Key Word: Epidemic Hemorrhagic Fever (EHF) Inapparent infection |
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| Abstract: |
| 本文报告对有13和30年流行史的野鼠型流行性出血热(EHF)疫区进行了调查,人群隐性感染率分别为4.35%(9/207)和2.8%(6/214),抗体滴度前者大部分在1:160以上,最高可达1:2560,后者均在1:160以下。在首次爆发家鼠型EHF疫区共调查120户有病例报告的家庭,其健康成员的隐性感染率为20.23%(51/252)。对79例抗体检查阳性患者的78户家庭进行了感染状况分析,其中一户一例感染者的家庭有50户,占发病户的64%;一户两例者21户,占26.92%;一户三例以上者7户,占8.97%。经比较爆发当年患者与隐性感染者的抗体滴度,发现其分布非常相似。 |
| English Abstract: |
In an endemic area of the wild rat type of EHF, which has a history of thirteen years, the latent infection rate was 4.35% (9/207), most fo the antibody titers was above 1:160 and the highest 1:2560, while in the similar endemic area, which existed for more than thirty years, the latent infection rate was 2.8% (6/214), antibody titers were >1:160.
In the endemic area where the first outbreak of the domestic rat type of EHF occurred, 120 families with reported EHF patients were investigated. The latent infection rate of healthy members in these families was 20.23%. We have studied the condition of infection in 78 families that there were 79 patients positive for IF of antibodies. The results showed that 50 families with one infected person, 21 families with 2, and 7 families with ≥ 3, the ratio of them being 64.1%, 26.92% and 8.97% respectively.
Comparison between the antibody titers of patients and that of inapparently infected persons in the first outbreak of the domestic rat type of EHF, we found that their distribution was very similar. |
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