Einarsdottir, Sigrun, Anna Martner, Malin Nicklasson, Hanna Grauers Wiktorin, Mohammad Arabpour, Andreas Törnell, Krista Vaht, Jesper Waldenström, Johan Ringlander, Tomas Bergström, Mats Brune, Kristoffer Hellstrand, Per Ljungman, and Martin Lagging. 2022. “Reduced Immunogenicity of a Third COVID-19 Vaccination Among Recipients of Allogeneic Hematopoietic Stem Cell Transplantation”. Haematologica 107 (6). Pavia, Italy, 1479-82. https://doi.org/10.3324/haematol.2021.280494.