STAT | Reporting from the frontiers of health and medicine Follow Jehovah’s Witnesses allow blood-derived products but keep ban on whole-blood transfusions The Jehovah’s Witnesses have partly eased their longstanding prohibition on the medical use of donated blood. https://www.statnews.com/2026/09/19/jehovahs-witnesses-blood-derived-products-transfusions/ statnews.com