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首页> 外文期刊>The American Journal of Tropical Medicine and Hygiene >Strong Association between Human and Animal Brucella Seropositivity in a Linked Study in Kenya, 2012-2013
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Strong Association between Human and Animal Brucella Seropositivity in a Linked Study in Kenya, 2012-2013

机译：2012-2013年肯尼亚一项相关研究中人与动物布鲁氏菌血清阳性之间的强关联

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摘要

Brucellosis is a common bacterial zoonotic infection but data on the prevalence among humans and animals is limited in Kenya. A cross-sectional survey was conducted in three counties practicing different livestock production systems to simultaneously assess the seroprevalence of, and risk factors for brucellosis among humans and their livestock (cattle, sheep, camels, and goats). A two-stage cluster sampling method with random selection of sublocations and households was conducted. Blood samples were collected from humans and animals and tested for Brucella immunoglobulin G (IgG) antibodies. Human and animal individual seroprevalence was 16% and 8%, respectively. Household and herd seroprevalence ranged from 5% to 73% and 6% to 68%, respectively. There was a 6-fold odds of human seropositivity in households with a seropositive animal compared with those without. Risk factors for human seropositivity included regular ingestion of raw milk (adjusted odds ratio [aOR] = 3.5, 95% confidence interval [CI] = 2.8-4.4), exposure to goats (herding, milking, and feeding) (aOR = 3.1, 95% Cl = 2.5-3.8), and handling of animal hides (aOR = 1.8, 95% CI = 1.5-2.2). Attaining at least high school education and above was a protective factor for human seropositivity (aOR = 0.3, 95% CI = 0.3-0.4). This linked study provides evidence of a strong association between human and animal seropositivity at the household level.
机译：布鲁氏菌病是一种常见的细菌人畜共患病感染，但在肯尼亚，有关人类和动物患病率的数据有限。在三个采用不同牲畜生产系统的县进行了横断面调查，以同时评估人类及其牲畜（牛，绵羊，骆驼和山羊）的布鲁氏菌病血清流行率和危险因素。进行了两阶段整群抽样方法，随机选择了子地区和住户。从人和动物收集血液样品，并测试布鲁氏菌免疫球蛋白G（IgG）抗体。人和动物的血清阳性率分别为16％和8％。家庭和畜群的血清阳性率分别为5％至73％和6％至68％。患有血清反应阳性动物的家庭与没有血清反应阳性动物的家庭相比，其人类血清阳性率为6倍。人类血清阳性的危险因素包括：定期摄入生乳（调整后的优势比[aOR] = 3.5、95％置信区间[CI] = 2.8-4.4），接触山羊（放牧，挤奶和喂养）（aOR = 3.1， 95％Cl = 2.5-3.8）和动物皮的处理（aOR = 1.8，95％CI = 1.5-2.2）。至少达到高中及以上学历是人类血清阳性的保护因素（aOR = 0.3，95％CI = 0.3-0.4）。这项关联的研究提供了证据，证明在家庭层面上人与动物的血清阳性之间存在很强的联系。

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