“…While JWs are known to refuse allogeneic blood transfusions, many people, including HCPs, are unaware of their regulations pertaining to blood products [ 15 ]. Although JWs refuse transfusions of whole blood (including pre-operative autologous donations) and primary blood components, such as red and white cells, platelets and unfractionated plasma, as well as haemoglobin (both natural and recombinant), since 2000 they have been at liberty to take, as acts of “individual conscience,” derivatives of primary blood components, such as haemoglobin-based blood substitutes, interferons, interleukins, albumin, globulins, cryoprecipitate, clotting factor concentrates, including fibrinogen concentrate, and immunoglobulins [ 9 , 15 – 17 ].…”