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在发现大肠杆菌能产生致病性毒素后,产毒性大肠杆菌被作为世界上一些发展中地区儿童腹泻的较常见原因,且为旅游者腹泻的主要原因。尽管产毒性大肠杆菌所致腹泻呈世界性分布,但在美国检出这种病例是罕见的。曾报道过五次暴发:三次在托婴机构,两次在暴露于共同来源之后引起。除了在托婴机构为人与人之间的传播外,只有水已被确证为传播媒介。我们在本文中叙述共同来源引起的产毒性大肠杆菌性腹泻的暴发,讨论其流行病学特征,并对食物作为传播媒介加以论证。
After E. coli was found to produce pathogenic toxins, toxigenic E. coli was cited as the more common cause of diarrhea in some developing regions of the world and was a major cause of diarrhea among tourists. Despite the worldwide distribution of diarrhea caused by toxigenic E. coli, the detection of such cases in the United States is rare. Five outbreaks have been reported: three at pedagogy and twice after exposure to a common source. Except for the baby-to-child transmission between people, only water has been confirmed as a medium. We describe in this article an outbreak of toxicogenic E. coli diarrhea caused by a common source, discussing its epidemiological characteristics, and demonstrating food as a vehicle of communication.