Blood Transfusion
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Early Watch Tower publications discussed blood transfusions without consistently condemning the practice. Scriptural objections emerged in 1943-1945, followed by congregational disciplinary consequences in 1961. Organ and tissue transplantation was treated as a personal decision in 1961, condemned in 1967, and returned to individual conscience in 1980. In 1974, the publications distinguished transfusions from small blood-derived serum fractions and left the latter to individual conscience. In 1978 and 1989, they explained circumstances in which blood circulating through medical equipment could be considered part of the patient's circulation, while continuing to reject stored autologous blood. A 1984 explanation addressed bone-marrow transplantation, and a 1990 explanation expanded the reasoning concerning plasma fractions. In 2000, the publications extended individual conscience to fractions derived from any of the four primary blood components, while continuing to prohibit those components themselves. A procedural change announced in June 2000 replaced congregation-initiated removal for willful, unrepentant acceptance of a prohibited transfusion with treatment of the person as having disassociated. Publications through 2024 continued to reject whole blood, the four primary components, and stored autologous blood, while maintaining that organ donation and transplantation were personal decisions. In March 2026, the use of a patient's own blood in medical and surgical care was explicitly left to individual conscience. In September 2026, the same principle was extended to red cells, white cells, plasma, and platelets derived from another person's blood, and to blood donation specifically intended to provide components or fractions. The prohibition on whole-blood transfusions and donation for whole-blood transfusion remained unchanged.
Knorr
Nathan H. Knorr · 1942–1977
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The earliest criticism
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Horse Blood for Transfusions ♦ At the California Institute of Technology “scientists” have used horse blood in transfusion into humans and for serums for immunization against disease. Dr. Dan H. Campbell, of the institute, reports: We now can use cow or horse blood in transfusions to human [creatures], but the first transfusion sets up a hypersensitivity or allergy in the patient so that a second transfusion is dangerous and may prove fatal. We hope to overcome this in future experiments. Under present methods of immunization, for instance, meningitis germs are injected into a horse. It is these anti-bodies in serums made from the animal’s blood which immunize persons against meningitis. Other serums arc obtained similarly. The divine prohibition as to eating or partaking of blood does not appear to trouble the “scientists".
December 22 — Consolation -
The first mention of the blood transfusion topic in the Watchtower. From this year on, the criticism began to grow.
1 quote
23 It cannot be said that such regulation applies to the blood of animals lower than man but not to human blood. If the blood of the lower animal creatures was considered so precious, it representing life from the Creator, then certainly the blood of the higher creature, man, was to be considered not less precious. For that reason, if an animal killed a man, the blood of such human life taken was required of the killer beast; it must be killed. As God said to Noah: “And surely your blood of your lives will I require; at the hand of every beast will I require it, and at the hand of man [a man slayer]; at the hand of every man’s brother will I require the life of man.” (Gen. 9:5) This decree therefore brands as criminal the heathen practice according to which bloodthirsty warriors, after killing a mighty man of their enemies, would drink his blood in the belief that by thus absorbing such human blood they would at the same time appropriate the mightly qualities of the slain one. Among the barbarous and fierce, savage nations, such as the Scythians, Tartars, desert Arabs, Scandinavians, etc., who lived most on animal blood, there were some even who drank the blood of their enemies after making cups of their skulls. And quite interestingly, in our consultation of various works on the subject of blood, this related item came to light on page 113, column one, of Volume 4 of The Encyclopedia Americana, Revised Edition of 1929: “Transfusion of blood dates as far back as the time of the ancient Egyptians. The earliest reported case is that practiced on Pope Innocent VIII in 1492. The operation cost the lives of three youths and the Pontiff’s life was not saved. Great strides in the research and practice of transfusion on animals were made after Harvey’s discovery of the circulation of blood in the middle of the 17th century. Physicians in Germany, England and France were especially active in the work of blood transfusion after this discovery. They reasoned that as the blood is the principal medium by which the body is nourished, transfusion, therefore, is a quicker and shorter road to feed an ill-nourished body than eating food which turns to blood after several changes. So transfusion was thought of not only as a cure, but also as a re- juvenator. Attempts were then made to cure various diseases, such as fevers, leprosy, insanity and hydrophobia. Lamb’s blood was used for transfusions into human beings with varying success. Curious to relate, the Faculty of Medicine of Paris refused to recognize Harvey’s discovery and also opposed any progress made in the art of transfusion. They persecuted those who were active in the research work of transfusion. It was in the end of the 18th and in the beginning of the 19th century that the most active work in establishing transfusion as a surgical procedure after haemorrhage was done.”
July 1 — The Watchtower -
They started talking about disfellowshipping.
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Hence a Christian who deliberately receives a blood transfusion and thus does not keep himself from blood will not prosper spiritually. According to the law of Moses, which set forth shadows of things to come, the receiver of a blood transfusion must be cut off from God’s people by excommunication or disfellowshiping. If the taking of a blood transfusion is the first offense of a dedicated, baptized Christian due to his immaturity or lack of Christian stability and he sees the error of his action and grieves and repents over it and begs divine forgiveness and forgiveness of God’s congregation on earth, then mercy should be extended to him and he need not be disfellowshiped. He needs to be put under surveillance and to be instructed thoroughly according to the Scriptures upon this subject, and thereby be helped to acquire strength to make decisions according to the Christian standard in any future cases. If, however, he refuses to acknowledge his nonconformity to the required Christian standard and makes the matter an issue in the Christian congregation and endeavors to influence others therein to his support; or, if in the future he persists in accepting blood transfusions or in donating blood toward the carrying out of this medical practice upon others, he shows that he has really not repented, but is deliberately opposed to God’s requirements. As a rebellious opposer and unfaithful example to fellow members of the Christian congregation he must be cut off therefrom by disfellowshiping. Thereby the Christian congregation vindicates itself from any charge of connivance at the infraction of God’s law by a member of the congregation through blood transfusion, and it upholds the proper Christian standard before all the members of the Christian congregation, and keeps itself clean from the blood of all men, even as the apostle Paul did who promulgated to the various Gentile congregations the apostolic decree handed down at Jerusalem.—Acts 20:26.
January 15 — The Watchtower -
Organ transplantation is condemned
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When there is a diseased or defective organ, the usual way health is restored is by taking in nutrients. The body uses the food eaten to repair or heal the organ, gradually replacing the cells. When men of science conclude that this normal process will no longer work and they suggest removing the organ and replacing it directly with an organ from another human, this is simply a shortcut. Those who submit to such operations are thus living off the flesh of another human. That is cannibalistic. However, in allowing man to eat animal flesh Jehovah God did not grant permission for humans to try to perpetuate their lives by cannibalistically taking into their bodies human flesh, whether chewed or in the form of whole organs or body parts taken from others.
w67 November 15 — The Watchtower—1967 (1967)
Franz
Frederick W. Franz · 1977–1992
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Organ transplants are allowed again
1 quote
Clearly, personal views and conscientious feelings vary on this issue of transplantation. It is well known that the use of human materials for human consumption varies all the way from minor items, such as hormones and corneas, to major organs, such as kidneys and hearts. While the Bible specifically forbids consuming blood, there is no Biblical command pointedly forbidding the taking in of other human tissue. For this reason, each individual faced with making a decision on this matter should carefully and prayerfully weigh matters and then decide conscientiously what he or she could or could not do before God. It is a matter for personal decision. (Gal. 6:5) The congregation judicial committee would not take disciplinary action if someone accepted an organ transplant.
w80 March 15 — The Watchtower—1980 (1980)
Governing Body
1992–
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Personal conscience was explicitly extended to fractions obtained from any of the four primary blood components, including fractions derived from red cells, white cells, and platelets, rather than only the plasma fractions traditionally discussed.
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Beyond that, when it comes to fractions of any of the primary components, each Christian, after careful and prayerful meditation, must conscientiously decide for himself.
The Watchtower, June 15, 2000 -
The March 2026 clarification made all medical and surgical uses of a patient's own blood matters of individual conscience. This replaced the former categorical rejection of storing one's own blood for later transfusion with a general personal-decision principle.
2 quotes
Furthermore, the Bible does not comment on the use of a person’s own blood in medical and surgical care.
2026 Governing Body Update #2, March 20, 2026, quoted in Questions From Readers, September 18, 2026 Therefore, like other choices about health care, each Christian must make his own decision about the use of his own blood in all medical and surgical care.
2026 Governing Body Update #2, March 20, 2026, quoted in Questions From Readers, September 18, 2026 -
In September 2026, the Governing Body reversed the categorical prohibition on receiving the four primary components derived from another person's blood. Accepting or declining red cells, white cells, plasma, or platelets became a personal decision, and the congregation was instructed not to intervene or judge the individual's decision.
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After further prayerful consideration, the Governing Body has decided that this same principle applies to the four primary components of whole blood—red cells, white cells, plasma, and platelets—that are derived from another person’s blood.
Questions From Readers, September 18, 2026 Therefore, each Christian must make his own personal decision about the use of these four primary components in all medical and surgical care.
Questions From Readers, September 18, 2026 After considering these and other factors, each Christian must decide whether or not he will accept a component or fraction derived from another person’s blood. The congregation will not get involved in that decision, and individual Christians should not judge others.
Questions From Readers, September 18, 2026 -
The former general prohibition on donating blood was broadened to permit individual conscientious decisions about donations explicitly intended for producing components or fractions for other people. Donation for use as a whole-blood transfusion remained prohibited.
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Likewise, each Christian must decide whether to donate blood for the clearly expressed purpose of providing components or fractions for use by another person.
Questions From Readers, September 18, 2026
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