An uncommon kind of enterprise will quickly open in Shelby, North Carolina. It should take over premises beforehand run by a flooring firm, tucked in beside outlets promoting garments, paint and quick meals. However it is not going to promote something itself. As an alternative, keen donors, paid round $40 a pop, will sit linked to an apheresis machine. Over the course of an hour, the machine will extract their blood, siphon out plasma and recirculate the remaining fluid. The plasma will then be made into medicines, akin to clotting components for haemophiliacs and intravenous immunoglobulins for these affected by autoimmune ailments.