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Volume 15, Number 12—December 2009

Dispatch

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 2

Etiologic agents identified by the Luminex Respiratory Virus Panel* from samples submitted by regional health units during outbreaks, Canada†

Etiologic agent 2009 spring outbreaks, Ontario, no. (%) 2009 spring outbreaks GTA,‡ no. (%) 2008–2009 influenza season outbreaks, GTA,‡ no. (%)
Coronavirus OC43 1 (1) 0 18 (23)
Coronavirus NL63 0 0 6 (8)
Coronavirus 229E 4 (5) 0 9 (12)
Metapneumovirus 17 (20) 2 (12) 21 (27)
Respiratory syncytial virus A 0 0 5 (6)
Respiratory syncytial virus B 1 (1) 0 17 (22)
Influenza A (H3, human) 11 (13) 6 (35) 4 (5)
Parainfluenza 1 1 (1) 0 (0) 1 (1)
Parainfluenza 3 22 (27) 7 (41) 3 (4)
Enterovirus/rhinovirus 31 (37) 3 (18) 15§ (19)
Pandemic (H1N1) 2009 virus 1 (1) 1 (6) 0
Invalid test¶ 0 0 1 (1)
None 6 (7) 0 11 (14)
Outbreaks tested 83 17 78

*Luminex Molecular Diagnostics, Toronto, Ontario, Canada.
†GTA, Greater Toronto area. Spring season is delineated as April 20–June 12; influenza season is delineated as October 1–April 19.
‡Iincludes submissions by Peel, York, and Toronto Public Health Units only.
§Seven of the 15 outbreaks were confirmed as rhinovirus by the Seeplex RV12 detection kit (Seegene, Inc., Seoul, South Korea).
¶Reported when the internal control is not detected during a run.

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