How can I volunteer to be part of the NHS Blood and Transplant convalescent plasma donation? Abi 14 December 2020 12:56 If you would like to find out more information about this and register as a donor please visit NHS Blood and Transplant here. Related articles How does the NHS Blood and Transplant convalescent plasma donation process work? Can I order a test for someone else? What if I can’t fill the finger prick sample tube? Is a finger prick as accurate as a venous blood draw? What causes blood sample errors, and how can I help to avoid them? Comments 0 comments Article is closed for comments.