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Volume 21, Number 1—January 2015

Hospital-Associated Transmission of Brucella melitensis outside the Laboratory1

Christopher Lowe, Adrienne J. Showler, Suzette Perera, Susan McIntyre, Roohi Qureshi, Samir N. Patel, Vanessa Allen, H. Roslyn Devlin, and Matthew P. MullerComments to Author 
Author affiliations: University of Toronto, Toronto, Ontario, Canada (C.F. Lowe, A.J. Showler, R. Qureshi, S.N. Patel, V. Allen, H.R. Devlin, M.P. Muller); St. Michael’s Hospital, Toronto (S. Perera, S. McIntyre, R. Qureshi, H.R. Devlin, M.P. Muller); Li Ka Shing Knowledge Institute, Toronto (H.R. Devlin, M.P. Muller); Public Health Ontario, Toronto (S.N. Patel, V. Allen)

Main Article


Baseline serologic test results for 32 health care workers exposed to Brucella melitensis, Toronto, Ontario, Canada, 2012

Risk and test result categories Test results, no. workers (titer, if applicable*)
High-risk, radiology, n = 2
Negative† 1
Indeterminate 0
1 (1:160)
High-risk, laboratory, n = 10
Negative 9
Indeterminate 1 (1:80)
Low-risk, laboratory, n = 20
Negative 18
Indeterminate 1 (1:80)
Positive 0
Refused testing 1

*Negative, ≤1:20; interdeterminate, 1:40–1:80; positive ≥1:160.
†Lost to follow-up, but serologic results were negative at 6 weeks after exposure.

Main Article

1Preliminary results from this study were presented at the 2013 Association of Medical Microbiology and Infectious Disease Canada–Canadian Association for Clinical Microbiology and Infectious Diseases Annual Conference, April 3–6, 2013, Quebec City, Quebec, Canada.

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Page updated: December 19, 2014
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