查看文章

To the Editor: Since the emergence of Coronavirus Disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in December 2019, the number of severe forms of SARS-CoV-2 infection is rising quickly and causes a large number of deaths throughout the world. By June 16, 2020, the total number of laboratoryconfirmed cases of COVID-19 surpassed 7,941,791, with 434,796 reported deaths worldwide [1]. Actually, mortality may be higher due to deaths from unrecognized COVID-19 and deaths resulting from diminished routine diagnosis and treatment of other conditions [2]. SARS-CoV-2 infection is divided into three main categories including asymptomatic, non-severe symptomatic, and severe respiratory and systemic presentations [3]. Older age, high level of D-dimer concentrations, and the neutrophil to lymphocyte ratio are reported as independent risk factor …