Haematopoietic stem cell transplant patients have a high initial failure rate to hepatitis B vaccination that can be overcome with subsequent vaccination series. (8th December 2021) - Shalabi, Reem A.; Worst, Michelle A.; Hughes, Thomas E.; Walsh‐Chocolaad, Tracey; Cook, Lisa; Gunn, Kristen; Wells, Brian; Ciurea, Rodica; Aue, Georg; Tian, Xin; Childs, Richard W.