1 Division of Infection and Immunity, University College London and NIHR Biomedical Research Centre, UCLHospitals NHS Foundation Trust, London, UK. Electronic address: firstname.lastname@example.org.
2 Division of Virology, Department of Pathology, University of Cambridge, Addenbrooke's Hospital, Hills Road, Cambridge UK and School of Public Health, University of Makeni, Sierra Leone. Electronic address: email@example.com.
3 Country and Inter-country Support, Office of the Regional Director, WHO- AFRO, Brazzaville, Republic of Congo. Electronic address: firstname.lastname@example.org.
4 Fondation Congolaise pour la Recherche Médicale and University Marien Ngouabi, Brazzaville, Republic of Congo, and Institute for Tropical Medicine, University of Tübingen, Germany. Electronic address: email@example.com.
6 UNZA-UCLMS Research and Training Project, University Teaching Hospital, Lusaka, Zambia. Electronic address: firstname.lastname@example.org.
7 Special Infectious Agents Unit, King Fahd Medical Research Centre, and Medical Laboratory Technology Department, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia. Electronic address: email@example.com.
8 The Wellcome Trust Sanger Institute, Cambridge, UK. Electronic address: firstname.lastname@example.org.
9 University of Aarhus, Denmark and The Royal Hospital, Muscat, Oman. Electronic address: email@example.com.