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Volume 24, Number 12—December 2018
Research Letter

Locally Acquired Leptospirosis in Expedition Racer, Manitoba, Canada

Sameer S. KassimComments to Author , Antonia Dibernardo, L. Robbin Lindsay, and Terence C. Wuerz
Author affiliations: University of Manitoba, Winnipeg, Manitoba, Canada (S.S. Kassim, T.C. Wuerz); Public Health Agency of Canada, Winnipeg (A. Dibernardo, L.R. Lindsay); St. Boniface General Hospital, Winnipeg (T.C. Wuerz)

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Table

Confirmed and suspected cases of leptospirosis, Canada, 2009–2017*

Region and province
No. supportive cases†
No. confirmed cases‡
No. cases/region
Western, including the Prairies
British Columbia 5 6 20
Alberta 2 4
Saskatchewan 0 0
Manitoba 3 0
Central
Ontario 9 9 37
Quebec 6 13
Atlantic
New Brunswick 0 3 4
Nova Scotia 0 1
Prince Edward Island 0 0
Newfoundland and Labrador 0 0
Overall 25 36 61

*As per Centers for Disease Control and Prevention 2013 case definition (7).
Leptospira agglutination titer >1:200 but <1:800 by microscopic agglutination test for >1 serum specimens.
>4-fold increase in Leptospira agglutination titer between acute-phase and convalescent-phase serum samples or Leptospira agglutination titer >1:800 by microscopic agglutination test for >1 specimens.

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References
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  10. Messier  V, Lévesque  B, Proulx  JF, Rochette  L, Serhir  B, Couillard  M, et al. Seroprevalence of seven zoonotic infections in Nunavik, Quebec (Canada). Zoonoses Public Health. 2012;59:10717. DOIPubMed

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Page created: November 20, 2018
Page updated: November 20, 2018
Page reviewed: November 20, 2018
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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