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Canadian Journal of Infectious Diseases and Medical Microbiology
Volume 19, Issue 6, Pages 405-408
Original Article

Methicillin-Resistant Staphylococcus aureus Colonization in Schoolteachers in Ontario

Beth A Hanselman,1 Steven A Kruth,1 Joyce Rousseau,2 and J Scott Weese2

1Department of Clinical Studies, University of Guelph, Guelph, Ontario, Canada
2Department of Pathobiology, University of Guelph, Guelph, Ontario, Canada

Received 7 May 2008; Accepted 5 September 2008

Copyright © 2008 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A prospective study of methicillin-resistant Staphylococcus aureus (MRSA) colonization was performed involving teachers at a science teachers’ conference in Toronto, Ontario. Nasal swabs and questionnaire data were collected from consenting individuals. MRSA colonization was identified in seven of 220 (3.2%) participants. No colonized individuals reported recent contact with the health care system, antimicrobial therapy, residence with health care workers or previous MRSA infections. Methicillin-susceptible S aureus colonization was identified in 72 of 220 (33%) individuals. The prevalence of MRSA colonization was higher than expected for a purportedly low-risk population.