[{"arm_notes": "", "treatment_id": null, "treatment_name": "TODO PlaceboIntervention group: Control group: includes 20 patients with COVID-19 who, in addition to their usual treatments, will take 1 placebo tablet (maltodextrin) daily for 2 weeks (14 days) after meals. Placebo capsules are very similar in appearance, color, smell and shape to selenium capsules.", "treatment_type": "TODO", "pharmacological_treatment": "Placebo"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "TODO Treatment - DrugsIntervention group: Intervention group: includes 20 patients with COVID-19 who, in addition to their usual treatments, will take 1 capsule of 200 micrograms of selenium daily for 2 weeks (14 days) after meals.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 1178, "treatment_name": "Selenium", "treatment_type": "Vitamins and dietary supplements", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]