Hepatitis B surface antigen (HBsAg) is a serological marker for hepatitis B virus (HBV) infection. Previous studies suggested the relationship between Vitamin D receptor (VDR) gene polymorphisms and hepatitis B susceptibility. This study aimed to analyze the association between VDR gene polymorphisms (FokI) on HBsAg status among blood donor in Indonesian Red Cross Riau Province. This study was…