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Volume 15, Number 12—December 2009


Respiratory Infection in Institutions during Early Stages of Pandemic (H1N1) 2009, Canada

Alex Marchand-Austin, David J. Farrell, Frances B. Jamieson, Nino Lombardi, Ernesto Lombos, Sunita Narang, Holy Akwar, Donald E. Low, and Jonathan B. GubbayComments to Author 
Author affiliations: Public Health Agency of Canada, Toronto, Ontario, Canada (A. Marchand-Austin); Ontario Agency for Health Protection and Promotion, Toronto (D.J. Farrell, F.B. Jamieson, N. Lombardi, E. Lombos, S. Narang, H. Akwar, D.E. Low, J.B. Gubbay)

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Table 1

Respiratory outbreak submissions to Ontario, Canada, public health laboratories by geographic location and season*

Region Influenza season submissions
Spring submissions
2007–08 2008–09 2008 2009
Ontario 671 543 117 112†
Greater Toronto area‡ 139 101§ 34 21

*Influenza season is delineated as October 1–April 19; spring season is delineated as April 20–June 12.
†Specimens from 83 of the 112 outbreaks were tested by the RVP assay.
‡Greater Toronto Area includes submissions by Peel, York, and Toronto Public Health Units.
§Specimens from 78 of the 101 outbreaks were tested by the Luminex xTAG Respiratory Viral Panel (Luminex Molecular Diagnostics, Toronto, Ontario, Canada).

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