1. Centre for Ecology, Evolution and Conservation, University of East AngliaNorwich NR4 7TJ, UK
2. Owston's Civet Conservation ProgramCuc Phuong National Park, Ninh Binh province, Vietnam
3. Department of Microbiology, University of Hong KongHong Kong Special Administrative Region, People's Republic of China
4. Department of Pathology, University of Hong KongHong Kong Special Administrative Region, People's Republic of China
5. Department of Virology, National Institute of Veterinarian ResearchHanoi, Vietnam
6. Endangered Primate Rescue CentreCuc Phuong National Park, Ninh Binh province, Vietnam
7. Communicable Disease Surveillance and Response Unit, World Health OrganisationHanoi, Vietnam