About the Authors

Rodica Gilca

rodica.gilca@ssss.gouv.qc.ca

Affiliations Institut national de santé publique du Québec, Quebec City, Quebec, Canada, Public Health Research Unit, Quebec University Hospital Centre, Quebec City, Quebec, Canada, Department of Social and Preventive Medicine, Faculty of Medicine, Laval University, Quebec City, Quebec, Canada

Geneviève Deceuninck

Affiliation Public Health Research Unit, Quebec University Hospital Centre, Quebec City, Quebec, Canada

Brigitte Lefebvre

Affiliation Laboratoire de Santé Publique du Québec, Institut national de santé publique du Québec, Sainte-Anne-de-Bellevue, Quebec, Canada

Raymond Tsang

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

Rachid Amini

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

Vladimir Gilca

Affiliations Institut national de santé publique du Québec, Quebec City, Quebec, Canada, Public Health Research Unit, Quebec University Hospital Centre, Quebec City, Quebec, Canada, Department of Social and Preventive Medicine, Faculty of Medicine, Laval University, Quebec City, Quebec, Canada

Monique Douville-Fradet

Affiliations Institut national de santé publique du Québec, Quebec City, Quebec, Canada, Public Health Research Unit, Quebec University Hospital Centre, Quebec City, Quebec, Canada, Department of Social and Preventive Medicine, Faculty of Medicine, Laval University, Quebec City, Quebec, Canada

France Markowski

Affiliation Ministry of Health and Social Services, Quebec, Canada

Philippe De Wals

Affiliations Institut national de santé publique du Québec, Quebec City, Quebec, Canada, Public Health Research Unit, Quebec University Hospital Centre, Quebec City, Quebec, Canada, Department of Social and Preventive Medicine, Faculty of Medicine, Laval University, Quebec City, Quebec, Canada

Competing Interests

The authors have the following conflicts: RG received a research grant for unrelated study from Pfizer; PDW received research grants, honoraria and reimbursements of travel expenses from vaccine manufacturers Glaxo-Smith-Kline, Novartis, Sanofi Pasteur, Merck and Pfizer; VG received research grants, honoraria and/or reimbursements of travel expenses from Novartis, Glaxo-Smith-Kline, Merck and Pfizer; GD, BL, RT, RA, MDF, and FM have declared that no competing interests exist. 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: RG GD PDW. Performed the experiments: BL RT. Analyzed the data: GD RG BL RT RA. Contributed reagents/materials/analysis tools: BL RT. Wrote the paper: RG GD RT. Contributed to interpretation of data: RG GD BL RT RA VG MDF FM PDW. Critically revised the manuscript for important intellectual content: RG GD BL RT RA VG MDF FM PDW.