About the Authors

Gaston De Serres

Contributed equally to this work with: Gaston De Serres, Danuta M. Skowronski

gaston.deserres@inspq.qc.ca

Affiliations Institut national de santé publique du Québec, Quebec City, Quebec, Canada, Laval University, Quebec City, Quebec, Canada

Danuta M. Skowronski

Contributed equally to this work with: Gaston De Serres, Danuta M. Skowronski

Affiliations British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada, University of British Columbia, Vancouver, British Columbia, Canada

Brian J. Ward

Affiliation Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada

Michael Gardam

Affiliation University of Toronto, University Health Network, Toronto, Ontario, Canada

Camille Lemieux

Affiliation University of Toronto, University Health Network, Toronto, Ontario, Canada

Annalee Yassi

Affiliation University of British Columbia, Vancouver, British Columbia, Canada

David M. Patrick

Affiliations British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada, University of British Columbia, Vancouver, British Columbia, Canada

Mel Krajden

Affiliations British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada, University of British Columbia, Vancouver, British Columbia, Canada

Mark Loeb

Affiliation McMaster University, Faculty of Health Sciences, Hamilton, Ontario, Canada

Peter Collignon

Affiliations Australian National University, Acton, Australia, Canberra Hospital, Garran, ACT, Australia

Fabrice Carrat

Affiliations Institut National de la Santé et de la Recherche Médicale, Institut Pierre Louis d’Epidémiologie et de Santé Publique, Paris, France, Sorbonne Universités, Institut Pierre Louis d’Epidémiologie et de Santé Publique, Paris, France, Assistance Publique-Hôpitaux de Paris, Hôpital Saint Antoine, Unité de Santé Publique, Paris, France

Competing Interests

GDS, MG, CL and AY have been engaged (with or without remuneration) to provide expert testimony during legal challenges against enforced healthcare workers influenza vaccination policies in Canada. GDS has received grants from GSK and Pfeizer and travel reimbursement to attend an ad hoc advisory board meeting of GSK. BJW has participated in clinical trials and ad hoc advisory boards with several vaccine manufacturers as well as receiving occasional speaker's fees. He has held or holds research grants with GSK and Medicago. He is medical officer for Medicago Inc. and has served as an expert witness for US and Quebec vaccine injury compensation programs. MK has received research grants from Roche, Merck, Siemens, Hologic, and Boerhinger Ingelheim for unrelated studies. FC has received personal fees from AstraZeneca and GlaxoSmithKline for consultancy on influenza epidemiology outside the submitted work. DMS, DMP, ML and PC have no competing interests to report. There are no patents, products in development or marketed products to declare. This does not alter the authors adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: GDS DMS. Data curation: GDS DMS. Formal analysis: GDS DMS. Funding acquisition: GDS. Investigation: GDS DMS. Methodology: GDS DMS. Project administration: GDS DMS. Resources: GDS DMS. Supervision: GDS DMS. Validation: GDS DMS BJW MG CL AY DP MK ML PC FC. Visualization: GDS DMS. Writing – original draft: GDS DMS. Writing – review & editing: GDS DMS BJW MG CL AY DP MK ML PC FC.