[A sero-epidemiologic survey of HIV infection in Burundi between 1980 and 1981].

J Morvan, B Carteron, R Laroche, E Bouillet, R Teyssou, F Blanchard de Vaucouleurs
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Abstract

A retrospective investigation permitted us to show presence of HIV infection in Burundi between 1980 and 1981. 658 sera collected in healthy population of Burundi during this period have been tested for HIV1 and HIV2 with ELISA screening and western-blot analysis. Results completed with HIV1 antigen research show 29 patients infected with HIV1 (27 antibodies to HIV1 carriers, and 2 with HIV1 antigen). The epidemiological situation before finding HIV show high prevalence (4.4%) of HIV1 infection. No HIV2 was found. The epidemiology of HIV infection was dominated by high prevalence in urban areas (8.08%) but 2.82% of country people were infected, by frequence in man (5.94%) but 3.08% of women were carriers, and by heterosexual transmission. After this study HIV infection was more frequent and we have observed epidemiological modification (importance of vertical transmission). Frequent antigenic cross-reaction between HIV1 and HIV2 core proteins has been observed. Cross-reaction with other retrovirus is possible.

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[1980年至1981年布隆迪艾滋病毒感染的血清流行病学调查]。
一项回顾性调查使我们能够证明1980年至1981年间布隆迪存在艾滋病毒感染。在此期间从布隆迪健康人群中收集了658份血清,用ELISA筛查和western-blot分析检测了hiv - 1和hiv - 2。完成的hiv - 1抗原研究结果显示,29例患者感染了hiv - 1(27例为hiv - 1携带者抗体,2例为hiv - 1抗原)。发现艾滋病毒之前的流行病学情况显示艾滋病毒感染的流行率很高(4.4%)。未发现HIV2病毒。艾滋病毒感染的流行病学表现为:城市地区感染率高(8.08%),农村感染率高(2.82%);男性感染率高(5.94%),女性感染率低(3.08%);异性传播为主。在这项研究后,HIV感染更加频繁,我们观察到流行病学的改变(垂直传播的重要性)。在hiv - 1和hiv - 2核心蛋白之间观察到频繁的抗原交叉反应。可能与其他逆转录病毒发生交叉反应。
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