Coronavirus Infections/drug therapy, Pneumonia, Viral/drug therapy, Betacoronavirus/drug effects, Coronavirus Infections/epidemiology, Pneumonia, Viral/epidemiology, Latin America/epidemiology, Bioethical Issues, Pandemics/prevention & control, Plasma/immunology, Chloroquine/therapeutic use, Hydroxychloroquine/therapeutic use, Clinical Trial Protocol, Patient Safety/standards, Case Management/standards, Coronavirus Infections/prevention & control, Pneumonia, Viral/prevention & control, Patient Acuity, Anti-Bacterial Agents/therapeutic use, Antiviral Agents/therapeutic use, Azithromycin/therapeutic use, Betacoronavirus/immunology, Viral Vaccines/immunology, Lopinavir/therapeutic use, Randomized Controlled Trial, Antibodies/blood, Ventilators, Mechanical/adverse effects, Evidence-Based Medicine/trends, Ivermectin/therapeutic use, Vitamins/therapeutic use, Zinc/therapeutic use, Betacoronavirus/isolation & purification, Hypochlorous Acid/toxicity, Early Medical Intervention, Hypoxia/prevention & control, Carrier State/nursing, Intensive Care Units/organization & administration, COVID-19