1. Department of Bacteriology and Food Safety, Surveillance and Risk Group, Animal Health and Veterinary Laboratories Agency, Woodham Lane, New Haw, Addlestone, Surrey KT15 3NB, UK
2. Australia-Indonesia Partnership for Emerging Infectious Diseases, Ministry of Agriculture, Jakarta 12550, Indonesia
3. Epidemiology, Surveillance and Risk Group, Animal Health and Veterinary Laboratories Agency, Woodham Lane, New Haw, Addlestone, Surrey KT15 3NB, UK