1. Bristol Institute for Transfusion Sciences (BITS) NHSBT, Filton Bristol UK
2. NIHR Blood and Transplant Research Unit in Red Cell Products Bristol UK
3. Center for Hematology and Regenerative Medicine Department of Medicine (MedH) Karolinska Institutet Stockholm Sweden
4. School of Biochemistry Biomedical Sciences Building University of Bristol Bristol UK
5. Acute Medical Unit, Southmead Hospital North Bristol NHS Trust Bristol UK
6. Infection Sciences, Southmead Hospital North Bristol NHS Trust Bristol UK
7. Population Health Sciences University of Bristol Bristol UK
8. Academic Respiratory Unit Southmead Hospital North Bristol NHS Trust Bristol UK
9. Bristol Vaccine Centre University of Bristol Bristol UK
10. Cellular and Molecular Medicine Biomedical Sciences Building, University of Bristol Bristol UK