[{"arm_notes": "", "treatment_id": null, "treatment_name": "TODO Placebo''Control group'': Placebo is given to patients three times a day", "treatment_type": "TODO", "pharmacological_treatment": "Placebo"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "TODO Prevention''Intervention group:'' In this group, probiotics are given to the patients' families. Biomus supplement consists of 12 essential vitamins and minerals along with probiotics (a mixture of three native Iranian strains including Lactobacillus casei, L. rhamnosus and L. helveticus ). All these items are prepared in one capsule to strengthen the immune system and digestive system against viral and bacterial diseases.Three capsules of medicine/placebo are delivered daily to the participants after receiving informed consent and the eligibility of the cluster at the initial visit. In follow-up visits, after receiving the previous drug pack/placebo, the new treatment is sent to the patient's family using a courier. The amount of medicine/placebo delivered is enough until the next visit.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 1022, "treatment_name": "Probiotics", "treatment_type": "Microbiota intervention", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]