University of Birmingham - Institute of Immunology and Immunotherapy, University of Birmingham - Institute of Cancer and Genomic Sciences, University of Birmingham - Institute of Immunology and Immunotherapy, University of Birmingham, University of Glasgow, University of Glasgow - Centre for Virus Research (CVR), University of Glasgow, University of Glasgow - Centre for Virus Research (CVR), University of Birmingham - Institute of Immunology and Immunotherapy, University of Birmingham - Institute of Immunology and Immunotherapy, University of Birmingham, University of Birmingham - Institute of Immunology and Immunotherapy, University of Birmingham, UK Health Security Agency - Rare & Imported Pathogens Laboratory, University of Birmingham - Cancer Research UK Clinical Trials Unit, University of Birmingham - Cancer Research UK Clinical Trials Unit, University of Birmingham - Clinical Immunology Service, University of Birmingham - Institute of Cancer and Genomic Sciences, Government of the United Kingdom - Royal Wolverhampton NHS Trust, Barking, Havering and Redbridge University Hospitals NHS Trust - Sandwell and West Birmingham Hospitals NHS Trust, Herefordshire and Worcestershire Health and Care NHS Trust, Government of the United Kingdom - University Hospitals Birmingham, University Hospitals Birmingham - Birmingham Heartlands Hospital and University of Birmingham - Institute of Immunology and Immunotherapy

MRC-University of Glasgow Centre for Virus Research, MRC-University of Glasgow Centre for Virus Research, University of Glasgow - Medical Research Council (MRC), Malawi Epidemiology and Intervention Research Unit (MEIRU), Malawi Epidemiology and Intervention Research Unit (MEIRU), University of Glasgow, MRC-University of Glasgow Centre for Virus Research, Malawi Epidemiology and Intervention Research Unit (MEIRU), Malawi Epidemiology and Intervention Research Unit (MEIRU), MRC-University of Glasgow Centre for Virus Research, University of Glasgow - Medical Research Council (MRC) and University of Glasgow - Centre for Virus Research (CVR)