期刊
ANAEROBE
卷 27, 期 -, 页码 31-33出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.anaerobe.2014.03.002
关键词
Environmental study; Community households; Anaerobic infections; Spores; Epidemiology
类别
资金
- Society of Infectious Diseases Pharmacists
As Clostridium difficile spores are resistant to many household cleaning products, the potential for community household contamination is high. The purpose of this study was to assess the prevalence of toxigenic C difficile from environmental sources from a large urban area. Three to 5 household items or environmental dust was collected from 30 houses in Houston, Texas. A total of 127 environmental samples were collected from shoe bottoms (n = 63), bathroom surfaces (n = 15), house floor dusts (n = 12), or other household surfaces (n = 37). Forty one of 127 samples (32.3%) grew C difficile. All 41 isolates were positive for toxin A and B genes and no isolate was positive for binary toxin genes. Shoe bottom swab samples had the highest percent of positive samples (25/63; 39.7%) followed by bathroom/toilet surfaces (5/15; 33.3%), house floor dust (4/12; 33.3%), and other surface swabs (7/37; 18.9%). Strains were grouped into 25 different ribotypes, the most prevalent type was 001 (5 strains). In conclusion, a high rate of environmental contamination of C difficile was observed from community households from a large urban area. (C) 2014 Elsevier Ltd. All rights reserved.
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