It is also needed for regular transfusions for people with conditions such as thalassaemia and sickle cell disease and is used to make products such as clotting factors for people with haemophilia.

• 地中海贫血和镰状细胞病等病症患者还需要定期输血，并且血液被用于制造各种制品，例如供血友病患者使用的凝血因子。