About the Authors

Danuta M. Skowronski

danuta.skowronski@bccdc.ca

Affiliation British Columbia Centre for Disease Control (BCCDC), Vancouver, British Columbia, Canada

Gaston De Serres

Affiliation Institut national de santé publique du Québec, Québec, Canada

Natasha S. Crowcroft

Affiliations Ontario Agency for Health Protection and Promotion, Toronto, Ontario, Canada, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada

Naveed Z. Janjua

Affiliation British Columbia Centre for Disease Control (BCCDC), Vancouver, British Columbia, Canada

Nicole Boulianne

Affiliation Institut national de santé publique du Québec, Québec, Canada

Travis S. Hottes

Affiliation British Columbia Centre for Disease Control (BCCDC), Vancouver, British Columbia, Canada

Laura C. Rosella

Affiliations Ontario Agency for Health Protection and Promotion, Toronto, Ontario, Canada, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada

James A. Dickinson

Affiliation University of Calgary, Calgary, Alberta, Canada

Rodica Gilca

Affiliation Institut national de santé publique du Québec, Québec, Canada

Pam Sethi

Affiliation Ontario Agency for Health Protection and Promotion, Toronto, Ontario, Canada

Najwa Ouhoummane

Affiliation Institut national de santé publique du Québec, Québec, Canada

Donald J. Willison

Affiliation Ontario Agency for Health Protection and Promotion, Toronto, Ontario, Canada

Isabelle Rouleau

Affiliation Institut national de santé publique du Québec, Québec, Canada

Martin Petric

Affiliation British Columbia Centre for Disease Control (BCCDC), Vancouver, British Columbia, Canada

Kevin Fonseca

Affiliation Alberta Provincial Laboratory, Alberta, Canada

Steven J. Drews

Affiliation University of Calgary, Calgary, Alberta, Canada

Anuradha Rebbapragada

Affiliation Ontario Agency for Health Protection and Promotion, Toronto, Ontario, Canada

Hugues Charest

Affiliation Institut national de santé publique du Québec, Québec, Canada

Marie-Ève Hamelin

Affiliation Centre Hospitalier Universitaire de Québec (CHUQ) Research Center, Laval University, Québec, Canada

Guy Boivin

Affiliation Centre Hospitalier Universitaire de Québec (CHUQ) Research Center, Laval University, Québec, Canada

Jennifer L. Gardy

Affiliation British Columbia Centre for Disease Control (BCCDC), Vancouver, British Columbia, Canada

Yan Li

Affiliation National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada

Trijntje L. Kwindt

Affiliation British Columbia Centre for Disease Control (BCCDC), Vancouver, British Columbia, Canada

David M. Patrick

Affiliation British Columbia Centre for Disease Control (BCCDC), Vancouver, British Columbia, Canada

Robert C. Brunham

Affiliation British Columbia Centre for Disease Control (BCCDC), Vancouver, British Columbia, Canada

for the Canadian SAVOIR Team

Members of the Canadian SAVOIR Team are listed in the Acknowledgments.

Competing Interests

DMS has previously received research grant funding from GlaxoSmithKline and Sanofi-Pasteur for separate studies. GDS and NB have received research grant funding from GlaxoSmithKline and Sanofi-Pasteur for separate studies. GB has received funding from GlaxoSmithKline for unrelated projects. SAVOIR contributor Allison McGeer has received investigator initiated research grant funding from GlaxoSmithKline, and speaking honoraria from GlaxoSmithKline and Sanofi-Pasteur.

Author Contributions

ICMJE criteria for authorship read and met: DMS GDS NSC NZJ NB TSH LCR JAD RG PS NO DJW IR MP KF SJD AR HC MH GB JLG YL TLK DMP RCB. Agree with the manuscript's results and conclusions: DMS GDS NSC NZJ NB TSH LCR JAD RG PS NO DJW IR MP KF SJD AR HC MH GB JLG YL TLK DMP RCB. Designed the experiments/the study: DMS GDS NSC NZJ NB TSH LCR RG PS IR MP SJD AR GB DMP. Analyzed the data: DMS GDS NSC NZJ NB TSH LCR RG NO IR MH YL DMP RCB. Collected data/did experiments for the study: DMS GDS NSC NZJ NB JAD RG PS MP KF SJD AR HC MH GB YL TLK. Enrolled patients: GDS NSC JAD RG PS SJD GB. Wrote the first draft of the paper: DMS. Contributed to the writing of the paper: DMS GDS NSC NZJ NB TSH LCR JAD RG PS DJW IR MP KF SJD AR GB TLK DMP RCB. Overall Principal Investigator for the sentinel study and Principal Investigator for the British Columbia component: DMS. First author responsible for drafting and revising the overall manuscript describing the four studies, with collective co-author input: DMS. Principal Investigator for the Quebec component of the sentinel study and Principal Investigator for the Quebec case-control and cohort studies: GDS. Principal Investigator for the Ontario component of the sentinel study and Principal Investigator of the Ontario case-control study: NSC. Principal Investigator for the Alberta component of the sentinel study: JAD. Contributed to the design of the Ontario case-control study data collection strategy: DJW. As clinical virologist and co-investigator on the sentinel study, supervised the diagnostic testing for influenza for patient specimens from British Columbia (MP), Alberta (KF), Ontario (SJD) or Quebec (HC). Member of the original granting team responsible for setting up a network in the province of Ontario that collected data and supported clinical lab testing: SJD. Designed, executed, and analyzed the bioinformatics portion of the study: JLG. Developed molecular assay for detection of pandemic H1N1 virus: YL. Designed the data entry tool and coordinated implementation with provinces participating in the sentinel study: TLK