azithromycin; chloroquine; hydroxychloroquine; lopinavir plus ritonavir; methylprednisolone; oseltamivir; oxygen; sultamicillin; tocilizumab; adult; adult respiratory distress syndrome; artificial ventilation; assisted ventilation; asthma; case report; clinical article; conference abstract; coronavirus disease 2019; coughing; drug therapy; dyspnea; extracorporeal oxygenation; female; fetus; fetus death; fetus outcome; fever; high dependency unit; hospital discharge; human; hypoxemic respiratory failure; infant; learning; nasopharyngeal swab; observational study; outcome assessment; pregnancy; pregnancy diabetes mellitus; second trimester pregnancy; young adult