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首页> 外文期刊>Leprosy review >Human migration, railways and the geographic distribution of leprosy in Rio Grande do Norte State – Brazil
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Human migration, railways and the geographic distribution of leprosy in Rio Grande do Norte State – Brazil

机译：巴西北里奥格兰德州的人口迁移，铁路和麻风病的地理分布

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Introduction: Leprosy is a public health problem in Brazil where 31,044 new caseswere detected in 2013. Rio Grande do Norte is a small Brazilian state with a rate ofleprosy lower than other areas in the same region, for unknown reasons.Objectives: We present here a review based on the analysis of a database ofregistered leprosy cases in Rio Grande do Norte state, comparing leprosy’s geographic distribution among municipalities with local socio-economic and public health indicators and with historical documents about human migration in this Brazilian region. Results: The current distribution of leprosy in Rio Grande do Norte did not show correlation with socio-economic or public health indicators at the municipal level, but it appears related to economically emerging municipalities 100 years ago, with spread facilitated by railroads and train stations. Drought-related migratory movements which occurred from this state to leprosy endemic areas within the same period may be involved in the introduction of leprosy and with its present distribution within Rio Grande do Norte. Conclusions: Leprosy may disseminate slowly, over many decades in certain circumstances, such as in small cities with few cases. This is a very unusual situation currently and a unique opportunity for epidemiologic studies of leprosy as an emerging disease.
机译：简介：麻风病是巴西的公共卫生问题，2013年发现了31,044例新病例。北里奥格兰德州是巴西的一个小州，由于未知原因，麻风病率低于同一地区的其他地区。审查基于对北里奥格兰德州注册麻风病病例数据库的分析，将麻风病在各市之间的地理分布与当地社会经济和公共卫生指标以及该巴西地区有关人类迁徙的历史文献进行了比较。结果：北里奥格兰德州目前的麻风病分布与市级社会经济或公共卫生指标没有相关性，但似乎与100年前经济上新兴的市镇有关，铁路和火车站推动了麻风病的蔓延。在同一时期内，从该州到麻风病流行地区发生的与干旱有关的迁徙运动可能涉及麻风病的传入及其目前在北里奥格兰德州的分布。结论：在某些情况下，例如在很少病例的小城市中，麻风病可能在数十年内缓慢传播。当前，这是一种非常不寻常的情况，是麻风病作为一种新兴疾病的流行病学研究的独特机会。

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