SARS-CoV-2-Reactive Antibody Waning, Booster Effect and Breakthrough SARS-CoV-2 Infection in Hematopoietic Stem Cell Transplant and Cell Therapy Recipients at One Year after Vaccination

Researchers analyzed SARS-CoV-2-S-RA kinetics at 3–6 weeks, 3 months, and 6 months after a full course of SARS-CoV-2 vaccination and after additional vaccine doses, in a prospective monitored cohort of allo-HSCT, ASCT, and CAR-T cell therapy recipients.