COVID-19(8) 2019 novel coronavirus(3) 2019-nCoV(3) pneumonia.(2) Coronavirus disease 2019(2) Henan province.(1) discharge from hospital(1) Infections in birds(1) Respiratory distress syndrome, adult(1) Prognosis(1) Chloroquine(1) Respiratory failure(1) sampling.(1) throat swab(1) Pulmonary function testing.(1) Positive pressure protective hood.(1) Clinical features(1) Medical team(1) Medical workers(1) Prognosis.(1) Treatment strategies.(1) Pneumonia,viral.(1) Sedation and analgesia.(1) Nucleic acid detection(1) Viral load.(1) respiratory support.(1) Prevention and protection(1) Recommendations.(1) Endotracheal intubation(1) pulmonary rehabilitation.(1)