University of Oxford - Nuffield Department of Medicine, Hospital Universitari Germans Trias i Pujol - IrsiCaixa AIDS Research Institute-HIVACAT, Hospital Universitari Germans Trias i Pujol - IrsiCaixa AIDS Research Institute-HIVACAT, National Institute for Health Research (NIHR) - Oxford Biomedical Research Centre, University of Oxford - Nuffield Department of Medicine, University of Oxford - Nuffield Department of Medicine, Immunocore Ltd, Immunocore Ltd, University of Oxford - Peter Medawar Building for Pathogen Research, University College London - Medical Research Council Clinical Trials Unit, Imperial College London - Section of Virology, Independent, IrsiCaixa AIDS Research Institute-HIVACAT, Griffith University Gold Coast - Institute for Glycomics, IrsiCaixa AIDS Research Institute-HIVACAT, University of Oxford - Centre for Immuno-Oncology and University of Oxford - Nuffield Department of Medicine