[{"arm_notes": "", "treatment_id": null, "treatment_name": "TODO PreventionIntervention group: employees will receive nasal spray containing 20% \u200b\u200bethanol (German Merck), 3% dimethyl sulfoxide (German Merck) based on physiological serum. Two times a day one puff of spray will be applied to each nostril. The duration of use will be 45 dayes.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "TODO PlaceboControl group: patients will use a spray containing normal saline (Razi Iran). Three times a day (every 8 hours) a puff spray will be applied to each nostril. The duration of use will be two weeks.", "treatment_type": "TODO", "pharmacological_treatment": "Placebo"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "TODO Treatment - DrugsIntervention group: patients will receive nasal spray containing 20% \u200b\u200bethanol (German Merck), 3% dimethyl sulfoxide (German Merck) based on physiological serum. Three times a day (every 8 hours) a puff of spray will be applied to each nostril. The duration of use will be two weeks.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 1486, "treatment_name": "Dimethyl sulfoxide+ethanol", "treatment_type": "Others pharmacological treatment", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 1486, "treatment_name": "Dimethyl sulfoxide+ethanol", "treatment_type": "Others pharmacological treatment", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "", "treatment_id": null, "treatment_name": "TODO PreventionIntervention group: patients will receive nasal spray containing 20% \u200b\u200bethanol (German Merck), 3% dimethyl sulfoxide (German Merck) based on physiological serum. Three times a day (every 8 hours) a puff of spray will be applied to each nostril. The duration of use will be two weeks.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "TODO PlaceboControl group: patients will use a spray containing normal saline (Razi Iran). Three times a day (every 8 hours) a puff spray will be applied to each nostril. The duration of use will be two weeks.", "treatment_type": "TODO", "pharmacological_treatment": "Placebo"}]