摘要
The outbreak of COVID-19 caused by SARS-CoV-2 was declared by the WHO to have reached the global pandemic level on 11 March 2020.As of 26 April 2020,more than 2900000 COVID-19 infection cases have been confirmed in more than 200 countries with at least 200000 reported deaths.1 Global reinforcement comprehensive interventions have been implemented to stop the pandemic.Unfortunately,since COVID-19 developed in December 2019.
基金
H.Z.is supported by grants from the National Natural Science Foundation of China(Grant No.81570502)
the 1.3.5 Project for Disciplines of Excellence,West China Hospital,Sichuan University(Grant No.ZYJC18037).We are grateful to Prof.Yingzi Cong,University of Texas Medical Branch for his editing.
