1 Centre on Global Health Security, Chatham House, Royal Institute of International Affairs, London SW1Y 4LE, UK. Electronic address: bmccloskey@chathamhouse.org.
2 Division of Infection and Immunity, Centre for Clinical Microbiology, University College London, London, UK; NIHR Biomedical Research Centre, UCL Hospitals NHS Foundation Trust, London, UK.
3 National Institute for Infectious Diseases-Lazzaro Spallanzani-IRCCS, Rome, Italy.
4 National Institute for Communicable Diseases, National Health Laboratory Service, Johannesburg, South Africa.
5 Flinders University, Adelaide, SA, Australia.
6 Johns Hopkins Center for Health Security, Baltimore, MD, USA.
7 Public Health England, London, UK.
8 National Centre for Infectious Diseases and Tan Tock Seng Hospital, Singapore.
9 Academy of Postgraduate Education, Federal Medical Biological Agency of Russia, Moscow, Russia.