Higher levels of von Willebrand factor in hospitalised patient plasma provides an explanation for the association of ABO blood group and secretor status with COVID19 severity

TRANSFUSION MEDICINE

WILEY

1. National Institute for Health Research Blood and Transplant Research Unit (NIHR BTRU) in Red Cell Products [IS-BTU-1214-10032]
2. Department of Health (England) (National Health Service Blood and Transplant research and development grant) [WP15-04]
3. VWF
4. National Institutes of Health Research (NIHR) [IS-BTU-1214-10032] Funding Source: National Institutes of Health Research (NIHR)