About the Authors

Vincent J Munster

Affiliation Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Chantal Baas

Affiliation Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Pascal Lexmond

Affiliation Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Jonas Waldenström

Affiliation Section for Zoonotic Ecology and Epidemiology, Department of Biology and Environmental Science, University of Kalmar, Kalmar, Sweden

Anders Wallensten

Affiliations Smedby Health Center, Kalmar County Council, Kalmar, Sweden , Division of Medical Microbiology, Department of Molecular and Clinical Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden

Thord Fransson

Affiliation Bird Ringing Center, Swedish Museum of Natural History, Stockholm, Sweden

Guus F Rimmelzwaan

Affiliation Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Walter E. P Beyer

Affiliation Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Martin Schutten

Affiliation Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Björn Olsen

Affiliations Section for Zoonotic Ecology and Epidemiology, Department of Biology and Environmental Science, University of Kalmar, Kalmar, Sweden , Department of Clinical Science, Uppsala University Hospital, Uppsala, Sweden

Albert D. M. E Osterhaus

Affiliation Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Ron A. M Fouchier

To whom correspondence should be addressed. E-mail: r.fouchier@erasmusmc.nl

Affiliation Department of Virology, Erasmus Medical Center, Rotterdam, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

VJM, GFR, BO, ADMEO, and RAMF conceived and designed the experiments. VJM, CB, PL, MS, and RAMF performed the experiments. VJM, JW, AW, TF, GFR, WEPB, ADMEO, and RAMF analyzed the data. VJM, CB, PL, JW, AW, TF, MS, BO, and RAMF contributed reagents/materials/analysis tools. VJM and RAMF wrote the paper.