Public Health and Vaccine Policy

A new Vanderbilt University study in the journal Transfusion reports that 15 patients requested blood from unvaccinated donors between Jan. 1, 2024, and Dec. 31, 2025, often delaying standard transfusions despite no evidence such blood is safer. Thirteen of those cases relied on “directed donations” from family members, which the authors note are typically first-time donors and statistically more likely to carry undetected pathogens, contradicting claims that this approach is safer. Two patients who refused standard blood became significantly sicker: one developed anemia and another suffered hemodynamic shock, a life‑threatening condition caused by inadequate blood flow and oxygen to tissues. The study emphasizes that current U.S. blood systems do not track donors’ COVID‑19 vaccination status and that professional and regulatory groups oppose creating “unvaccinated blood” streams as non‑evidence‑based and potentially harmful. Researchers recommend that hospitals and blood centers adopt clear, standardized policies to handle such requests as vaccine misinformation continues to drive some Americans to demand segregated blood supplies.