About the Authors

Angie Bone

angie.bone@hpa.org.uk

Affiliations Institut de Veille Sanitaire, St Maurice, France, European Programme for Intervention Epidemiology (EPIET), European Centre for Disease Control and Prevention, Stockholm, Sweden

Jean-Paul Guthmann

Affiliation Institut de Veille Sanitaire, St Maurice, France

Azzedine Assal

Affiliation Etablissement Français du Sang, La Plaine Saint Denis, France

Dominique Rousset

Affiliation Institut Pasteur, Unit of Molecular Genetics of RNA viruses, National Influenza Center (Northern-France), Department of Virology, Paris, France

Armelle Degeorges

Affiliation Etablissement Français du Sang, La Plaine Saint Denis, France

Pascal Morel

Affiliation Etablissement Français du Sang, La Plaine Saint Denis, France

Martine Valette

Affiliation Centre national de référence du virus influenzae (région Sud), Lyon, Groupement Hospitalier Est, Hospices Civils de Lyon & EMR Virpath, Université Claude Bernard Lyon1, Université de Lyon, Lyon, France

Vincent Enouf

Affiliation Institut Pasteur, Unit of Molecular Genetics of RNA viruses, National Influenza Center (Northern-France), Department of Virology, Paris, France

Eric Jacquot

Affiliation Etablissement Français du Sang, La Plaine Saint Denis, France

Bertrand Pelletier

Affiliation Etablissement Français du Sang, La Plaine Saint Denis, France

Yann Le Strat

Affiliation Institut de Veille Sanitaire, St Maurice, France

Josiane Pillonel

Affiliation Institut de Veille Sanitaire, St Maurice, France

Laure Fonteneau

Affiliation Institut de Veille Sanitaire, St Maurice, France

Sylvie van der Werf

Affiliations Institut Pasteur, Unit of Molecular Genetics of RNA viruses, National Influenza Center (Northern-France), Department of Virology, Paris, France, Centre National de la Recherche Scientifique, Unité de recherche associée 3015, Paris, France, Université Paris Diderot, Sorbonne Paris Cité, Paris, France

Bruno Lina

Contributed equally to this work with: Bruno Lina, Pierre Tiberghien

Affiliation Centre national de référence du virus influenzae (région Sud), Lyon, Groupement Hospitalier Est, Hospices Civils de Lyon & EMR Virpath, Université Claude Bernard Lyon1, Université de Lyon, Lyon, France

Pierre Tiberghien

Contributed equally to this work with: Bruno Lina, Pierre Tiberghien

Affiliation Etablissement Français du Sang, La Plaine Saint Denis, France

Daniel Lévy-Bruhl

Affiliation Institut de Veille Sanitaire, St Maurice, France

Competing Interests

Pascal Morel serves as a consultant in the development of biologic diagnostic methods for Biorad, for which all fees are transferred to the EFS (Etablissement francais du sang). He receives no personal financial gain. The remaining authors 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: AB JPG AA AD PM EJ BP YLS JP LF SVDW BL PT DLB. Performed the experiments: DR MV VE SVDW BL. Analyzed the data: AB JPG LF YSL DLB. Contributed reagents/materials/analysis tools: SVDW BL. Wrote the paper: AB YSL BL DLB.