Investigation of a Community Outbreak of Diarrhea Associated with Drinking Water in Suburb of Chengdu, China

• 作者: Fengman Dou Jun Chen Qi Peng Shan Jiang Wei Zeng Xian Liang Zhijun Li
• 来源期刊: 流行病学期刊(英文)
• 学科: 医学
• 关键词: DIARRHEA Water CONTAMINATION OUTBREAK INVESTIGATION
• 年，卷（期）: 2015,（3）
• 页码范围: 147-154
• 页数: 8页
• 分类号: R73

摘要

Objectives: To identify the etiology and source after recognition of diarrhea outbreak is associated with drinking water in suburb of Chengdu. Methods: Both unmatched case control and retrospective cohort study were conducted. 131 targets including 56 suspected patients were recruited for case control study, while 463 residents were selected for cohort study. Stool, water and environmental samples were collected for laboratory testing. Results: The proportion of case exposed to well water was 86% in case group compared with 51% in the controls during the epidemic period (OR = 6.14, P P P E. coli and Enterotoxigenic E. coli was positive in stool and river samples. Conclusions: This outbreak of diarrhea might be caused by several mixed opportunistic pathogens in well water contaminated from the river water.