About the Authors

Josanne H. Verhagen

Affiliation National Influenza Center and Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Vincent J. Munster

Affiliation Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America

Frank Majoor

Affiliation Sovon Dutch Centre for Field Ornithology, Nijmegen, The Netherlands

Pascal Lexmond

Affiliation National Influenza Center and Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Oanh Vuong

Affiliation National Influenza Center and Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Job B. G. Stumpel

Current address: Department of Clinical Sciences of Companion Animals, Utrecht University, Utrecht, The Netherlands

Affiliation National Influenza Center and Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Guus F. Rimmelzwaan

Affiliation National Influenza Center and Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Albert D. M. E. Osterhaus

Affiliation National Influenza Center and Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Martin Schutten

Affiliation National Influenza Center and Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Roy Slaterus

Affiliation Sovon Dutch Centre for Field Ornithology, Nijmegen, The Netherlands

Ron A. M. Fouchier

r.fouchier@erasmusmc.nl

Affiliation National Influenza Center and Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Competing Interests

Co-author Ron A. M. Fouchier is a PLoS ONE Editorial Board member. This does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials. The authors have declared that no other competing interests exist.

Author Contributions

Conceived and designed the experiments: RF VM RS AO GR MS. Performed the experiments: FM JS. Analyzed the data: JV PL OV. Contributed reagents/materials/analysis tools: RS. Wrote the paper: JV RF.