摄入卵囊作为巴西城市儿童弓形虫的重要传播途径。
Oocyst ingestion as an important transmission route of Toxoplasma gondii in Brazilian urban children.
作者信息
Dattoli V C C, Veiga R V, Cunha S S, Pontes-de-Carvalho L, Barreto M L, Alcantara-Neves N M
机构信息
Faculdade de Medicina da Universidade Federal do Acre, Rod. BR 364, km 4, 6637-Rio Branco-Acre, Brazil.
出版信息
J Parasitol. 2011 Dec;97(6):1080-4. doi: 10.1645/GE-2836.1. Epub 2011 Jul 8.
Abstract
Toxoplasmosis is a cosmopolitan protozoan infection. Data regarding risk factors for the post-natal acquisition of Toxoplasma gondii infection in childhood are limited. We conducted a serological survey for T. gondii IgG antibodies and associated risk factors in 1,217 children 4-11-yr-old from Salvador, Brazil, using a commercial ELISA kit; antibodies were found in 17.5% of the children. Age (OR = 2.18; 95% CI: 1.50-3.17) and maternal schooling level (OR = 0.62; 95% CI: 0.42-0.92) were negatively associated with infection. A greater number of siblings (OR = 1.53; 95% CI: 1.12-2.09), cat at home (OR = 1.54; 95% CI: 1.06-2.24), house with non-treated piped water (OR = 2.54; 95% CI: 1.22-5.31), and the absence of a flush toilet at home (OR = 1.45; 95% CI: 1.04-2.01) were positively associated with T. gondii infection. Our data suggest that low socioeconomic levels and poor hygiene habits are important factors in favoring T. gondii infection.
摘要
弓形虫病是一种世界性的原生动物感染。关于儿童期产后获得性弓形虫感染危险因素的数据有限。我们使用商用酶联免疫吸附测定（ELISA）试剂盒，对来自巴西萨尔瓦多的1217名4至11岁儿童进行了弓形虫IgG抗体及相关危险因素的血清学调查；发现17.5%的儿童体内有抗体。年龄（比值比[OR]=2.18；95%置信区间[CI]：1.50 - 3.17）和母亲受教育程度（OR = 0.62；95% CI：0.42 - 0.92）与感染呈负相关。兄弟姐妹数量较多（OR = 1.53；95% CI：1.12 - 2.09）、家中养猫（OR = 1.54；95% CI：1.06 - 2.24）、家中使用未处理的自来水（OR = 2.54；95% CI：1.22 - 5.31）以及家中没有抽水马桶（OR = 1.45；95% CI：1.04 - 2.01）与弓形虫感染呈正相关。我们的数据表明，社会经济水平低和卫生习惯差是有利于弓形虫感染的重要因素。
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