1 Prevalence of antibodies against Brucella spp. in West Greenland polar bears (Ursus maritimus) 1 and East Greenland muskoxen (Ovibos moschatus) 2 3 Christian Sonne 1,* , Emilie Andersen-Ranberg 1,2 , Elisabeth L. Rajala 3 , Jørgen Agerholm 4 , Eva 4 Bonefeld-Jørgensen 5,9 , Jean-Pierre Desforges 1 , Igor Eulaers 1 , Kim Gustavson 1 , Bjørn M. Jenssen 1,6,7 , 5 Anders Koch 8,9 , Aqqalu Rosing-Asvid 10 , Niels Martin Schmidt 1 , Carsten Grøndahl 11 , Jesper B. 6 Mosbacher 1 , Ursula Siebert 1,2 , Morten Tryland 12 , Gert Mulvad 9 , Erik W. Born 9 , Kristin Laidre 9,13 , 7 Øystein Wiig 14 , Rune Dietz 1 , Ulf Magnusson 3 8 9 1 Department of Bioscience, Arctic Research Centre, Faculty of Science and Technology, Aarhus 10 University, P.O. Box 358, 4000 Roskilde, Denmark 11 2 Institute for Terrestrial und Aquatic Wildlife Research, University of Veterinary Medicine Hannover, 12 25761 Büsum, Germany 13 3 Department of Clinical Sciences, Division of Reproduction, Swedish University of Agricultural 14 Sciences, P.O. Box 7054, 750 07 Uppsala, Sweden 15 4 Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of 16 Copenhagen, 1870 Frederiksberg C, Denmark 17 5 Department of Public Health, Centre for Arctic Health & Molecular Epidemiology, Aarhus 18 University, 8000 Aarhus, Denmark 19 6 Department of Biology, Norwegian University of Science and Technology, 7491 Trondheim, 20 Norway 21 7 Department of Arctic Technology, The University Centre in Svalbard, P.O. Box 156, 9171 22 Longyearbyen, Norway 23 8 Department of Epidemiology Research & Department of Infectious Disease Epidemiology and 24 Prevention, Statens Serum Institut, 2300 Copenhagen, Denmark 25