Mallards and Highly Pathogenic Avian Influenza Ancestral Viruses, Northern Europe
Vincent J. Munster*, Anders Wallensten†‡, Chantal Baas*, Guus F. Rimmelzwaan*, Martin Schutten*, Björn Olsen§¶, Albert D.M.E. Osterhaus*, and Ron A.M. Fouchier*
Author affiliations: *Erasmus Medical Center, Rotterdam, the Netherlands; †Smedby Health Center, Kalmar, Sweden; ‡Linköping University, Linköping, Sweden; §Umea University, Umea, Sweden; ¶Kalmar University, Kalmar, Sweden
The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.