[{"arm_notes": "", "treatment_id": null, "treatment_name": "Intervention 1: hemato-oncological patientsBlood samples before and after vaccination (day 35 and day 120 after the first vaccination) of patients and healthy controls; who decided to be vaccinated close to home according to the recommendation of the Robert Koch Institute; will be examined for a corresponding immune reaction. Intervention 2: healthy subjects", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "hemato-oncological patientsBlood samples before and after vaccination (day 35 and day 120 after the first vaccination) of patients and healthy controls; who decided to be vaccinated close to home according to the recommendation of the Robert Koch Institute; will be examined for a corresponding immune reaction.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "healthy subjects", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "hemato-oncological patientsBlood samples before and after vaccination (day 35 and day 120 after the first vaccination) of patients and healthy controls; who decided to be vaccinated close to home according to the recommendation of the Robert Koch Institute; will be examined for a corresponding immune reaction.", "treatment_id": 1911, "treatment_name": "Covid-19 vaccine", "treatment_type": "Other covid vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "healthy subjects", "treatment_id": 1911, "treatment_name": "Covid-19 vaccine", "treatment_type": "Other covid vaccine", "pharmacological_treatment": "Vaccine"}]