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Volume 24, Number 3—March 2018
Research

Use of Genome Sequencing to Define Institutional Influenza Outbreaks, Toronto, Ontario, Canada, 2014–15

Derek R. MacFaddenComments to Author , Allison McGeer, Taryn Athey, Stephen Perusini, Romy Olsha, Aimin Li, Alireza Eshaghi, Jonathan B. Gubbay1, and William P. Hanage1
Author affiliations: University of Toronto, Toronto, Ontario, Canada (D.R. MacFadden, A. McGeer, J.B. Gubbay); Mount Sinai Hospital, Sinai Health System, Toronto (A. McGeer); Public Health Ontario Laboratory, Toronto (T. Athey, S. Perusini, R. Olsha, A. Li, A. Eshaghi, J.B. Gubbay); Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts, USA (W.P. Hanage)

Main Article

Figure 1

Epidemiologic curves of influenza A cases and outbreaks in long-term care facilities, by epidemiologic week, Toronto, Ontario, Canada, 2014–15. Shown are the total number (n=6,573) of influenza A–positive cases reported during the season for the province (red line), the 108 influenza A(H3N2) outbreaks in long-term care facilities analyzed at the provincial public health laboratory (black line) and the 38 outbreaks evaluated by genome sequencing in this study (gray line).

Figure 1. Epidemiologic curves of influenza A cases and outbreaks in long-term care facilities, by epidemiologic week, Toronto, Ontario, Canada, 2014–15. Shown are the total number (n=6,573) of influenza A–positive cases reported during the season for the province (red line), the 108 influenza A(H3N2) outbreaks in long-term care facilities analyzed at the provincial public health laboratory (black line), and the 38 outbreaks evaluated by genome sequencing in this study (gray line).

Main Article

1These authors were co–principal investigators for this article.

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