No need for blood donation?

[JBeukema]

British scientists are on course to become the first to create synthetic human blood from embryonic stem cells, it emerged today.
The ground-breaking project could provide an unlimited supply of blood for emergency transfusions free of the risk of infection.
Because stem cells multiply indefinitely, it would be possible to produce enormous quantities, researchers said...in theory, just one {cell} could meet the nation’s needs.

British scientists on course to become the first to produce synthetic human blood | Mail Online

Edit: More @ Discover