The practice of vaccination is called a crime, an outrage, and a delusion. Clayton Woodworth dies. Wrong to remove, store and transfuse blood back. Accepting blood is punishable by disfellowshiping. Any fraction of blood is considered a nutrient and is forbidden.
Organ transplants are now cannibalism.
Minor are OK, major forbidden. Hemodilution is objectionable. A Witness may have his own blood transfused back into him under certain circumstances. Acute Normovolemic Hemodilution and autologous blood salvage procedure are acceptable and involve brief storing of the blood outside the body. A better description is blood conservation program.