1. Department of Pathobiology and Population Sciences, The Royal Veterinary College, Hatfield, AL9 7TA UK
2. Department of Veterinary Services of Dundgobi province, General Authority for Veterinary Services of Mongolia (GAVS), Mandalgobi, Dundgobi Province 4800 Mongolia
3. Wildlife Conservation Society, Mongolia Program, Post Office 20A, PO Box 21 Ulaanbaatar 14200, Mongolia
4. State Central Veterinary Laboratory, Ulaanbaatar 17024, Mongolia
5. Health Program, Wildlife Conservation Society, Bronx, New York 10460, USA
6. MRC-University of Glasgow Centre for Virus Research, Henry Wellcome Building, Garscube Glasgow, G61 1QH UK
7. CIRAD, UMR ASTRE, F-34398 Montpellier, France
8. ASTRE, University of Montpellier, CIRAD, INRAE, F-34398 Montpellier, France