[{"arm_notes": "", "treatment_id": null, "treatment_name": "Intervention 1: Patients who have undergone heart transplantation and have received a double vaccination against SARS-COV-2 are recommended to receive a third vaccination dose if their antibody titres are low. After the vaccination; blood samples are taken serially to determine the antibodies and a questionnaire (mainly questions on the tolerability of the vaccination) is handed out.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 1162, "treatment_name": "Sars-cov-2 vaccine", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}]