High Prevalence of Clostridium difficile in Home Gardens in Western Australia

Author:

Shivaperumal Nirajmohan1ORCID,Chang Barbara J.1,Riley Thomas V.1234ORCID

Affiliation:

1. School of Biomedical Sciences, Faculty of Health and Medical Sciences, The University of Western Australia, Queen Elizabeth II Medical Centre, Nedlands, Western Australia, Australia

2. PathWest Laboratory Medicine, Department of Microbiology, Queen Elizabeth II Medical Centre, Nedlands, Western Australia, Australia

3. School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia

4. Medical, Molecular and Forensic Sciences, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, Western Australia, Australia

Abstract

Recently, community-associated Clostridium difficile infection (CA-CDI) has emerged as a significant problem, accounting for ∼50% of all CDI cases and reported to affect a younger population without traditional risk factors. Possible sources of CA-CDI are soil, food, and water contaminated by animal feces, and recent reports show overlapping ribotypes of C. difficile in animals, humans, and the environment; however, the epidemiology of CA-CDI and related risk factors need to be better understood. Our research aimed to determine the prevalence of C. difficile in home gardens and on the shoe soles of homeowners in Perth, Western Australia. There were high rates of contamination with C. difficile in gardens, and some of the ribotypes identified had been isolated from human cases of CDI in Western Australia. This study shows that home gardens and shoes may be a source of C. difficile in CA-CDI.

Funder

University of Western Australia

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

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