ijgah International Journal of Gastroenterology and Hepatology 2834-0884 International Journal of Gastroenterology and Hepatology Research De Novo Hepatitis B Surface Antigen (HBsag)-Positive, Core Antibody (Anti-HBc)-Negative, Hepatitis B Virus İnfection Post Bone Marrow Transplantation 17 03 2026 © 2026 The Author(s). Published by International Journal of Gastroenterology and Hepatology. This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC-BY 4.0).

1. Abstract Bone marrow transplantation is a life-saving treatment for many patients with hematological malignancies, but it is also associated with a risk of reactivation of hepatitis B virus (HBV) infection....