Health Genetic Mismatch Triples Risk of Severe GVHD in Cord Blood Transplants by Dr Natalie Singh - Health Editor February 21, 2026 by Dr Natalie Singh - Health Editor February 21, 2026 Genetic Mismatch Linked to Severe Complications in Cord Blood Transplants A recent Japanese study of over 7,400 patients has identified a specific genetic mismatch that significantly increases the risk of … 0 FacebookTwitterPinterestEmail