[{"arm_notes": "", "treatment_id": null, "treatment_name": "A 3rd dose of the Pfizer Comirnaty vaccine delivered intramuscularly on enrolment", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "3rd dose of the Pfizer vaccine on enrolment", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "3 months later", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]