[{"arm_notes": "", "treatment_id": null, "treatment_name": "BNT162b2 30 ug ;BNT162b2 15 ug;Active Comparator Biological/Vaccine;Experimental Biological/Vaccine;BNT162b2 (standard dose);BNT162b2 (low dose)", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "15 ug;IM;had received AZD1222", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "30 ug;IM;had received AZD1222", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]