1 Centre for Clinical Microbiology, Division of Infection and Immunity, University College London, London NW3 2PF, UK; Department of Medical Microbiology, University College London Hospitals NHS Foundation Trust, London, UK; University of Zambia-University College London Medical School Research and Training Programme, University Teaching Hospital, Lusaka, Zambia. Electronic address: [email protected].
2 Department of Medical Microbiology, University College London Hospitals NHS Foundation Trust, London, UK.
3 Centre for Clinical Microbiology, Division of Infection and Immunity, University College London, London NW3 2PF, UK; University of Zambia-University College London Medical School Research and Training Programme, University Teaching Hospital, Lusaka, Zambia.
4 University of Zambia-University College London Medical School Research and Training Programme, University Teaching Hospital, Lusaka, Zambia; Ministry of Health, Lusaka, Zambia.
5 Therapeutic Immunology, Department of Laboratory Medicine, Department of Microbiology, Tumor and Cell Biology, and Center for Allogeneic Stem Cell Transplantation, Karolinska Hospital, Stockholm, Sweden.
6 WHO Collaborating Centre on Mass Gatherings Medicine, Ministry of Health, Riyadh, Saudi Arabia; Al Faisal University, Riyadh, Saudi Arabia.