About the Authors

Camille Achonu

Affiliation Department of Surveillance and Epidemiology, Public Health Ontario, Toronto, Ontario, Canada

Laura Rosella

Affiliations Department of Surveillance and Epidemiology, Public Health Ontario, Toronto, Ontario, Canada, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada

Jonathan B. Gubbay

Affiliations Public Health Laboratories, Public Health Ontario, Toronto, Ontario, Canada, Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada

Shelley Deeks

Affiliations Department of Surveillance and Epidemiology, Public Health Ontario, Toronto, Ontario, Canada, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada

Anu Rebbapragada

Affiliation Public Health Laboratories, Public Health Ontario, Toronto, Ontario, Canada

Tony Mazzulli

Affiliation Public Health Laboratories, Public Health Ontario, Toronto, Ontario, Canada

Don Willison

Affiliation Department of Surveillance and Epidemiology, Public Health Ontario, Toronto, Ontario, Canada

Julie Foisy

Affiliation Department of Surveillance and Epidemiology, Public Health Ontario, Toronto, Ontario, Canada

Allison McGeer

Affiliations Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada, Department of Microbiology, Mount Sinai Hospital, Toronto, Ontario, Canada

Ian Johnson

Affiliations Department of Surveillance and Epidemiology, Public Health Ontario, Toronto, Ontario, Canada, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada

Marie LaFreniere

Affiliation Department of Surveillance and Epidemiology, Public Health Ontario, Toronto, Ontario, Canada

Caitlin Johnson

Affiliation Department of Surveillance and Epidemiology, Public Health Ontario, Toronto, Ontario, Canada

Jacqueline Willmore

Affiliation Ottawa Public Health, Nepean, Ontario, Canada

Carmen Yue

Affiliation Toronto Public Health, Toronto, Ontario, Canada

Natasha S. Crowcroft

natasha.crowcroft@oahpp.ca

Affiliations Department of Surveillance and Epidemiology, Public Health Ontario, Toronto, Ontario, Canada, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada, Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada

Competing Interests

None of the authors has any conflict of interest to declare. Dr Gubbay has received research grants from GlaxoSmithKline Inc. and Hoffman-La Roche Ltd to study antiviral resistance in influenza, however, this is not relevant to this study. This does not alter the authors′ adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CA LR JBG SD DW IJ JW CY NSC. Performed the experiments: JBG AR TM ML CJ CA. Analyzed the data: CA LR NSC JBG JF AR. Contributed reagents/materials/analysis tools: AR TM JBG. Wrote the paper: AM CA LR NSC SD ML JBG JF.