Hemodialysis (HD) patients have an increased risk of severe SARS-CoV-2 infection. In the study „SARS-CoV-2 Antibody and T Cell Response after a Third Vaccine Dose in Hemodialysis Patients Compared with Healthy Controls“, the impact of a third vaccine dose (3D) on antibody levels and T cell response were assessed in HD patients and a healthy control group in a prospective cohort study consisting of 60 HD patients and 65 healthy controls.