Subject(s)

Humans , Pneumonia, Viral/drug therapy , Coronavirus Infections/drug therapy , Heparin, Low-Molecular-Weight/administration & dosage , Heparin, Low-Molecular-Weight/antagonists & inhibitors , Heparin, Low-Molecular-Weight/therapeutic use , Betacoronavirus/drug effects , Technology Assessment, Biomedical , Disease Progression , Therapies, Investigational/instrumentation , Anti-Inflammatory Agents/analysis , Antifibrinolytic Agents/therapeutic use