Results
All 64 cases were admitted to multi-centers in Wenzhou, such as the first affiliated hospital of Wenzhou Medical University (WMU), The second affiliated hospital of WMU and Wenzhou Central Hospital. Cases were diagnosed, classified and treated recommended by the standards published by National Health Commission of the People’s Republic of China[14 15]. All patients were diagnosed by continuous Positive-Realtime PCR confirmation of COVID-19 with an interval more than 24h in sputum or throat swabs and were reconfirmed by Zhejiang Center for Disease Control and Prevention (CDC). Clinical laboratory tests, computer tomographic and hospitalization treatment were performed in the level 3 of protection. Data and clinical characteristics feature were collected by 4th March.